16218280000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31189}}^1$

素因数の和:31234

約数の個数: 140

約数和(自身を含む): 43310995420

約数和(自身を除く): 27092715420

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 625, 650, 800, 832, 1000, 1040, 1250, 1300, 1600, 1625, 2000, 2080, 2500, 2600, 3250, 4000, 4160, 5000, 5200, 6500, 8000, 8125, 10000, 10400, 13000, 16250, 20000, 20800, 26000, 31189, 32500, 40000, 52000, 62378, 65000, 104000, 124756, 130000, 155945, 249512, 260000, 311890, 405457, 499024, 520000, 623780, 779725, 810914, 998048, 1247560, 1559450, 1621828, 1996096, 2027285, 2495120, 3118900, 3243656, 3898625, 4054570, 4990240, 6237800, 6487312, 7797250, 8109140, 9980480, 10136425, 12475600, 12974624, 15594500, 16218280, 19493125, 20272850, 24951200, 25949248, 31189000, 32436560, 38986250, 40545700, 49902400, 50682125, 62378000, 64873120, 77972500, 81091400, 101364250, 124756000, 129746240, 155945000, 162182800, 202728500, 249512000, 253410625, 311890000, 324365600, 405457000, 506821250, 623780000, 648731200, 810914000, 1013642500, 1247560000, 1621828000, 2027285000, 3243656000, 4054570000, 8109140000, 16218280000]

約数ペア:

[(1, 16218280000), (2, 8109140000), (4, 4054570000), (5, 3243656000), (8, 2027285000), (10, 1621828000), (13, 1247560000), (16, 1013642500), (20, 810914000), (25, 648731200), (26, 623780000), (32, 506821250), (40, 405457000), (50, 324365600), (52, 311890000), (64, 253410625), (65, 249512000), (80, 202728500), (100, 162182800), (104, 155945000), (125, 129746240), (130, 124756000), (160, 101364250), (200, 81091400), (208, 77972500), (250, 64873120), (260, 62378000), (320, 50682125), (325, 49902400), (400, 40545700), (416, 38986250), (500, 32436560), (520, 31189000), (625, 25949248), (650, 24951200), (800, 20272850), (832, 19493125), (1000, 16218280), (1040, 15594500), (1250, 12974624), (1300, 12475600), (1600, 10136425), (1625, 9980480), (2000, 8109140), (2080, 7797250), (2500, 6487312), (2600, 6237800), (3250, 4990240), (4000, 4054570), (4160, 3898625), (5000, 3243656), (5200, 3118900), (6500, 2495120), (8000, 2027285), (8125, 1996096), (10000, 1621828), (10400, 1559450), (13000, 1247560), (16250, 998048), (20000, 810914), (20800, 779725), (26000, 623780), (31189, 520000), (32500, 499024), (40000, 405457), (52000, 311890), (62378, 260000), (65000, 249512), (104000, 155945), (124756, 130000)]