31885160

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5279}}^1$

素因数の和:5441

約数の個数: 32

約数和(自身を含む): 72230400

約数和(自身を除く): 40345240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 5279, 6040, 10558, 21116, 26395, 42232, 52790, 105580, 211160, 797129, 1594258, 3188516, 3985645, 6377032, 7971290, 15942580, 31885160]

約数ペア:

[(1, 31885160), (2, 15942580), (4, 7971290), (5, 6377032), (8, 3985645), (10, 3188516), (20, 1594258), (40, 797129), (151, 211160), (302, 105580), (604, 52790), (755, 42232), (1208, 26395), (1510, 21116), (3020, 10558), (5279, 6040)]