87861020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1867}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 199905888

約数和(自身を除く): 112044868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 1867, 2353, 3620, 3734, 4706, 7468, 9335, 9412, 11765, 18670, 23530, 24271, 37340, 47060, 48542, 97084, 121355, 242710, 337927, 485420, 675854, 1351708, 1689635, 3379270, 4393051, 6758540, 8786102, 17572204, 21965255, 43930510, 87861020]

約数ペア:

[(1, 87861020), (2, 43930510), (4, 21965255), (5, 17572204), (10, 8786102), (13, 6758540), (20, 4393051), (26, 3379270), (52, 1689635), (65, 1351708), (130, 675854), (181, 485420), (260, 337927), (362, 242710), (724, 121355), (905, 97084), (1810, 48542), (1867, 47060), (2353, 37340), (3620, 24271), (3734, 23530), (4706, 18670), (7468, 11765), (9335, 9412)]