71366480

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1291}}^1$

素因数の和:1995

約数の個数: 40

約数和(自身を含む): 166295904

約数和(自身を除く): 94929424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1291, 1382, 2582, 2764, 3455, 5164, 5528, 6455, 6910, 10328, 11056, 12910, 13820, 20656, 25820, 27640, 51640, 55280, 103280, 892081, 1784162, 3568324, 4460405, 7136648, 8920810, 14273296, 17841620, 35683240, 71366480]

約数ペア:

[(1, 71366480), (2, 35683240), (4, 17841620), (5, 14273296), (8, 8920810), (10, 7136648), (16, 4460405), (20, 3568324), (40, 1784162), (80, 892081), (691, 103280), (1291, 55280), (1382, 51640), (2582, 27640), (2764, 25820), (3455, 20656), (5164, 13820), (5528, 12910), (6455, 11056), (6910, 10328)]