164035820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{630907}}^1$

素因数の和:630929

約数の個数: 24

約数和(自身を含む): 370973904

約数和(自身を除く): 206938084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 630907, 1261814, 2523628, 3154535, 6309070, 8201791, 12618140, 16403582, 32807164, 41008955, 82017910, 164035820]

約数ペア:

[(1, 164035820), (2, 82017910), (4, 41008955), (5, 32807164), (10, 16403582), (13, 12618140), (20, 8201791), (26, 6309070), (52, 3154535), (65, 2523628), (130, 1261814), (260, 630907)]