80077240

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3331}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 180527760

約数和(自身を除く): 100450520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 3331, 4808, 6010, 6662, 12020, 13324, 16655, 24040, 26648, 33310, 66620, 133240, 2001931, 4003862, 8007724, 10009655, 16015448, 20019310, 40038620, 80077240]

約数ペア:

[(1, 80077240), (2, 40038620), (4, 20019310), (5, 16015448), (8, 10009655), (10, 8007724), (20, 4003862), (40, 2001931), (601, 133240), (1202, 66620), (2404, 33310), (3005, 26648), (3331, 24040), (4808, 16655), (6010, 13324), (6662, 12020)]