80459960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41051}}^1$

素因数の和:41076

約数の個数: 48

約数和(自身を含む): 210596760

約数和(自身を除く): 130136800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41051, 82102, 164204, 205255, 287357, 328408, 410510, 574714, 821020, 1149428, 1436785, 1642040, 2011499, 2298856, 2873570, 4022998, 5747140, 8045996, 10057495, 11494280, 16091992, 20114990, 40229980, 80459960]

約数ペア:

[(1, 80459960), (2, 40229980), (4, 20114990), (5, 16091992), (7, 11494280), (8, 10057495), (10, 8045996), (14, 5747140), (20, 4022998), (28, 2873570), (35, 2298856), (40, 2011499), (49, 1642040), (56, 1436785), (70, 1149428), (98, 821020), (140, 574714), (196, 410510), (245, 328408), (280, 287357), (392, 205255), (490, 164204), (980, 82102), (1960, 41051)]