40157600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 114742656

約数和(自身を除く): 74585056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 71, 80, 100, 101, 112, 140, 142, 160, 175, 200, 202, 224, 280, 284, 350, 355, 400, 404, 497, 505, 560, 568, 700, 707, 710, 800, 808, 994, 1010, 1120, 1136, 1400, 1414, 1420, 1616, 1775, 1988, 2020, 2272, 2485, 2525, 2800, 2828, 2840, 3232, 3535, 3550, 3976, 4040, 4970, 5050, 5600, 5656, 5680, 7070, 7100, 7171, 7952, 8080, 9940, 10100, 11312, 11360, 12425, 14140, 14200, 14342, 15904, 16160, 17675, 19880, 20200, 22624, 24850, 28280, 28400, 28684, 35350, 35855, 39760, 40400, 49700, 50197, 56560, 56800, 57368, 70700, 71710, 79520, 80800, 99400, 100394, 113120, 114736, 141400, 143420, 179275, 198800, 200788, 229472, 250985, 282800, 286840, 358550, 397600, 401576, 501970, 565600, 573680, 717100, 803152, 1003940, 1147360, 1254925, 1434200, 1606304, 2007880, 2509850, 2868400, 4015760, 5019700, 5736800, 8031520, 10039400, 20078800, 40157600]

約数ペア:

[(1, 40157600), (2, 20078800), (4, 10039400), (5, 8031520), (7, 5736800), (8, 5019700), (10, 4015760), (14, 2868400), (16, 2509850), (20, 2007880), (25, 1606304), (28, 1434200), (32, 1254925), (35, 1147360), (40, 1003940), (50, 803152), (56, 717100), (70, 573680), (71, 565600), (80, 501970), (100, 401576), (101, 397600), (112, 358550), (140, 286840), (142, 282800), (160, 250985), (175, 229472), (200, 200788), (202, 198800), (224, 179275), (280, 143420), (284, 141400), (350, 114736), (355, 113120), (400, 100394), (404, 99400), (497, 80800), (505, 79520), (560, 71710), (568, 70700), (700, 57368), (707, 56800), (710, 56560), (800, 50197), (808, 49700), (994, 40400), (1010, 39760), (1120, 35855), (1136, 35350), (1400, 28684), (1414, 28400), (1420, 28280), (1616, 24850), (1775, 22624), (1988, 20200), (2020, 19880), (2272, 17675), (2485, 16160), (2525, 15904), (2800, 14342), (2828, 14200), (2840, 14140), (3232, 12425), (3535, 11360), (3550, 11312), (3976, 10100), (4040, 9940), (4970, 8080), (5050, 7952), (5600, 7171), (5656, 7100), (5680, 7070)]