2079790040

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{63331}}^1$

素因数の和:64163

約数の個数: 32

約数和(自身を含む): 4685301360

約数和(自身を除く): 2605511320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 3284, 4105, 6568, 8210, 16420, 32840, 63331, 126662, 253324, 316655, 506648, 633310, 1266620, 2533240, 51994751, 103989502, 207979004, 259973755, 415958008, 519947510, 1039895020, 2079790040]

約数ペア:

[(1, 2079790040), (2, 1039895020), (4, 519947510), (5, 415958008), (8, 259973755), (10, 207979004), (20, 103989502), (40, 51994751), (821, 2533240), (1642, 1266620), (3284, 633310), (4105, 506648), (6568, 316655), (8210, 253324), (16420, 126662), (32840, 63331)]