71240000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 140

約数和(自身を含む): 191629284

約数和(自身を除く): 120389284

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, 137, 160, 200, 208, 250, 260, 274, 320, 325, 400, 416, 500, 520, 548, 625, 650, 685, 800, 832, 1000, 1040, 1096, 1250, 1300, 1370, 1600, 1625, 1781, 2000, 2080, 2192, 2500, 2600, 2740, 3250, 3425, 3562, 4000, 4160, 4384, 5000, 5200, 5480, 6500, 6850, 7124, 8000, 8125, 8768, 8905, 10000, 10400, 10960, 13000, 13700, 14248, 16250, 17125, 17810, 20000, 20800, 21920, 26000, 27400, 28496, 32500, 34250, 35620, 40000, 43840, 44525, 52000, 54800, 56992, 65000, 68500, 71240, 85625, 89050, 104000, 109600, 113984, 130000, 137000, 142480, 171250, 178100, 219200, 222625, 260000, 274000, 284960, 342500, 356200, 445250, 520000, 548000, 569920, 685000, 712400, 890500, 1096000, 1113125, 1370000, 1424800, 1781000, 2226250, 2740000, 2849600, 3562000, 4452500, 5480000, 7124000, 8905000, 14248000, 17810000, 35620000, 71240000]

約数ペア:

[(1, 71240000), (2, 35620000), (4, 17810000), (5, 14248000), (8, 8905000), (10, 7124000), (13, 5480000), (16, 4452500), (20, 3562000), (25, 2849600), (26, 2740000), (32, 2226250), (40, 1781000), (50, 1424800), (52, 1370000), (64, 1113125), (65, 1096000), (80, 890500), (100, 712400), (104, 685000), (125, 569920), (130, 548000), (137, 520000), (160, 445250), (200, 356200), (208, 342500), (250, 284960), (260, 274000), (274, 260000), (320, 222625), (325, 219200), (400, 178100), (416, 171250), (500, 142480), (520, 137000), (548, 130000), (625, 113984), (650, 109600), (685, 104000), (800, 89050), (832, 85625), (1000, 71240), (1040, 68500), (1096, 65000), (1250, 56992), (1300, 54800), (1370, 52000), (1600, 44525), (1625, 43840), (1781, 40000), (2000, 35620), (2080, 34250), (2192, 32500), (2500, 28496), (2600, 27400), (2740, 26000), (3250, 21920), (3425, 20800), (3562, 20000), (4000, 17810), (4160, 17125), (4384, 16250), (5000, 14248), (5200, 13700), (5480, 13000), (6500, 10960), (6850, 10400), (7124, 10000), (8000, 8905), (8125, 8768)]