80383520

素因数分解:

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

素因数の和:10282

約数の個数: 72

約数和(自身を含む): 220932684

約数和(自身を除く): 140549164

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 10253, 20506, 41012, 51265, 71771, 82024, 102530, 143542, 164048, 205060, 287084, 328096, 358855, 410120, 502397, 574168, 717710, 820240, 1004794, 1148336, 1435420, 1640480, 2009588, 2296672, 2511985, 2870840, 4019176, 5023970, 5741680, 8038352, 10047940, 11483360, 16076704, 20095880, 40191760, 80383520]

約数ペア:

[(1, 80383520), (2, 40191760), (4, 20095880), (5, 16076704), (7, 11483360), (8, 10047940), (10, 8038352), (14, 5741680), (16, 5023970), (20, 4019176), (28, 2870840), (32, 2511985), (35, 2296672), (40, 2009588), (49, 1640480), (56, 1435420), (70, 1148336), (80, 1004794), (98, 820240), (112, 717710), (140, 574168), (160, 502397), (196, 410120), (224, 358855), (245, 328096), (280, 287084), (392, 205060), (490, 164048), (560, 143542), (784, 102530), (980, 82024), (1120, 71771), (1568, 51265), (1960, 41012), (3920, 20506), (7840, 10253)]