201569420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775267}}^1$

素因数の和:775289

約数の個数: 24

約数和(自身を含む): 455857584

約数和(自身を除く): 254288164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775267, 1550534, 3101068, 3876335, 7752670, 10078471, 15505340, 20156942, 40313884, 50392355, 100784710, 201569420]

約数ペア:

[(1, 201569420), (2, 100784710), (4, 50392355), (5, 40313884), (10, 20156942), (13, 15505340), (20, 10078471), (26, 7752670), (52, 3876335), (65, 3101068), (130, 1550534), (260, 775267)]