40191760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10253}}^1$

素因数の和:10280

約数の個数: 60

約数和(自身を含む): 108712908

約数和(自身を除く): 68521148

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10253, 20506, 41012, 51265, 71771, 82024, 102530, 143542, 164048, 205060, 287084, 358855, 410120, 502397, 574168, 717710, 820240, 1004794, 1148336, 1435420, 2009588, 2511985, 2870840, 4019176, 5023970, 5741680, 8038352, 10047940, 20095880, 40191760]

約数ペア:

[(1, 40191760), (2, 20095880), (4, 10047940), (5, 8038352), (7, 5741680), (8, 5023970), (10, 4019176), (14, 2870840), (16, 2511985), (20, 2009588), (28, 1435420), (35, 1148336), (40, 1004794), (49, 820240), (56, 717710), (70, 574168), (80, 502397), (98, 410120), (112, 358855), (140, 287084), (196, 205060), (245, 164048), (280, 143542), (392, 102530), (490, 82024), (560, 71771), (784, 51265), (980, 41012), (1960, 20506), (3920, 10253)]