20248816900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{104537}}^1$

素因数の和:104713

約数の個数: 72

約数和(自身を含む): 47637966600

約数和(自身を除く): 27389149700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 149, 260, 298, 325, 596, 650, 745, 1300, 1490, 1937, 2980, 3725, 3874, 7450, 7748, 9685, 14900, 19370, 38740, 48425, 96850, 104537, 193700, 209074, 418148, 522685, 1045370, 1358981, 2090740, 2613425, 2717962, 5226850, 5435924, 6794905, 10453700, 13589810, 15576013, 27179620, 31152026, 33974525, 62304052, 67949050, 77880065, 135898100, 155760130, 202488169, 311520260, 389400325, 404976338, 778800650, 809952676, 1012440845, 1557601300, 2024881690, 4049763380, 5062204225, 10124408450, 20248816900]

約数ペア:

[(1, 20248816900), (2, 10124408450), (4, 5062204225), (5, 4049763380), (10, 2024881690), (13, 1557601300), (20, 1012440845), (25, 809952676), (26, 778800650), (50, 404976338), (52, 389400325), (65, 311520260), (100, 202488169), (130, 155760130), (149, 135898100), (260, 77880065), (298, 67949050), (325, 62304052), (596, 33974525), (650, 31152026), (745, 27179620), (1300, 15576013), (1490, 13589810), (1937, 10453700), (2980, 6794905), (3725, 5435924), (3874, 5226850), (7450, 2717962), (7748, 2613425), (9685, 2090740), (14900, 1358981), (19370, 1045370), (38740, 522685), (48425, 418148), (96850, 209074), (104537, 193700)]