31244200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 79916760

約数和(自身を除く): 48672560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 61, 65, 100, 104, 122, 130, 197, 200, 244, 260, 305, 325, 394, 488, 520, 610, 650, 788, 793, 985, 1220, 1300, 1525, 1576, 1586, 1970, 2440, 2561, 2600, 3050, 3172, 3940, 3965, 4925, 5122, 6100, 6344, 7880, 7930, 9850, 10244, 12017, 12200, 12805, 15860, 19700, 19825, 20488, 24034, 25610, 31720, 39400, 39650, 48068, 51220, 60085, 64025, 79300, 96136, 102440, 120170, 128050, 156221, 158600, 240340, 256100, 300425, 312442, 480680, 512200, 600850, 624884, 781105, 1201700, 1249768, 1562210, 2403400, 3124420, 3905525, 6248840, 7811050, 15622100, 31244200]

約数ペア:

[(1, 31244200), (2, 15622100), (4, 7811050), (5, 6248840), (8, 3905525), (10, 3124420), (13, 2403400), (20, 1562210), (25, 1249768), (26, 1201700), (40, 781105), (50, 624884), (52, 600850), (61, 512200), (65, 480680), (100, 312442), (104, 300425), (122, 256100), (130, 240340), (197, 158600), (200, 156221), (244, 128050), (260, 120170), (305, 102440), (325, 96136), (394, 79300), (488, 64025), (520, 60085), (610, 51220), (650, 48068), (788, 39650), (793, 39400), (985, 31720), (1220, 25610), (1300, 24034), (1525, 20488), (1576, 19825), (1586, 19700), (1970, 15860), (2440, 12805), (2561, 12200), (2600, 12017), (3050, 10244), (3172, 9850), (3940, 7930), (3965, 7880), (4925, 6344), (5122, 6100)]