71715020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{275827}}^1$

素因数の和:275849

約数の個数: 24

約数和(自身を含む): 162186864

約数和(自身を除く): 90471844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 275827, 551654, 1103308, 1379135, 2758270, 3585751, 5516540, 7171502, 14343004, 17928755, 35857510, 71715020]

約数ペア:

[(1, 71715020), (2, 35857510), (4, 17928755), (5, 14343004), (10, 7171502), (13, 5516540), (20, 3585751), (26, 2758270), (52, 1379135), (65, 1103308), (130, 551654), (260, 275827)]