80125940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65677}}^1$

素因数の和:65747

約数の個数: 24

約数和(自身を含む): 171025512

約数和(自身を除く): 90899572

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 65677, 131354, 262708, 328385, 656770, 1313540, 4006297, 8012594, 16025188, 20031485, 40062970, 80125940]

約数ペア:

[(1, 80125940), (2, 40062970), (4, 20031485), (5, 16025188), (10, 8012594), (20, 4006297), (61, 1313540), (122, 656770), (244, 328385), (305, 262708), (610, 131354), (1220, 65677)]