31243420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120167}}^1$

素因数の和:120189

約数の個数: 24

約数和(自身を含む): 70658784

約数和(自身を除く): 39415364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120167, 240334, 480668, 600835, 1201670, 1562171, 2403340, 3124342, 6248684, 7810855, 15621710, 31243420]

約数ペア:

[(1, 31243420), (2, 15621710), (4, 7810855), (5, 6248684), (10, 3124342), (13, 2403340), (20, 1562171), (26, 1201670), (52, 600835), (65, 480668), (130, 240334), (260, 120167)]