53213420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204667}}^1$

素因数の和:204689

約数の個数: 24

約数和(自身を含む): 120344784

約数和(自身を除く): 67131364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 204667, 409334, 818668, 1023335, 2046670, 2660671, 4093340, 5321342, 10642684, 13303355, 26606710, 53213420]

約数ペア:

[(1, 53213420), (2, 26606710), (4, 13303355), (5, 10642684), (10, 5321342), (13, 4093340), (20, 2660671), (26, 2046670), (52, 1023335), (65, 818668), (130, 409334), (260, 204667)]