80381080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154579}}^1$

素因数の和:154603

約数の個数: 32

約数和(自身を含む): 194770800

約数和(自身を除く): 114389720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154579, 309158, 618316, 772895, 1236632, 1545790, 2009527, 3091580, 4019054, 6183160, 8038108, 10047635, 16076216, 20095270, 40190540, 80381080]

約数ペア:

[(1, 80381080), (2, 40190540), (4, 20095270), (5, 16076216), (8, 10047635), (10, 8038108), (13, 6183160), (20, 4019054), (26, 3091580), (40, 2009527), (52, 1545790), (65, 1236632), (104, 772895), (130, 618316), (260, 309158), (520, 154579)]