85674940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{329519}}^1$

素因数の和:329541

約数の個数: 24

約数和(自身を含む): 193757760

約数和(自身を除く): 108082820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 329519, 659038, 1318076, 1647595, 3295190, 4283747, 6590380, 8567494, 17134988, 21418735, 42837470, 85674940]

約数ペア:

[(1, 85674940), (2, 42837470), (4, 21418735), (5, 17134988), (10, 8567494), (13, 6590380), (20, 4283747), (26, 3295190), (52, 1647595), (65, 1318076), (130, 659038), (260, 329519)]