31158140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119839}}^1$

素因数の和:119861

約数の個数: 24

約数和(自身を含む): 70465920

約数和(自身を除く): 39307780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 119839, 239678, 479356, 599195, 1198390, 1557907, 2396780, 3115814, 6231628, 7789535, 15579070, 31158140]

約数ペア:

[(1, 31158140), (2, 15579070), (4, 7789535), (5, 6231628), (10, 3115814), (13, 2396780), (20, 1557907), (26, 1198390), (52, 599195), (65, 479356), (130, 239678), (260, 119839)]