86875480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 204003360

約数和(自身を除く): 117127880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 953, 1060, 1720, 1906, 2120, 2279, 3812, 4558, 4765, 7624, 9116, 9530, 11395, 18232, 19060, 22790, 38120, 40979, 45580, 50509, 81958, 91160, 101018, 163916, 202036, 204895, 252545, 327832, 404072, 409790, 505090, 819580, 1010180, 1639160, 2020360, 2171887, 4343774, 8687548, 10859435, 17375096, 21718870, 43437740, 86875480]

約数ペア:

[(1, 86875480), (2, 43437740), (4, 21718870), (5, 17375096), (8, 10859435), (10, 8687548), (20, 4343774), (40, 2171887), (43, 2020360), (53, 1639160), (86, 1010180), (106, 819580), (172, 505090), (212, 409790), (215, 404072), (265, 327832), (344, 252545), (424, 204895), (430, 202036), (530, 163916), (860, 101018), (953, 91160), (1060, 81958), (1720, 50509), (1906, 45580), (2120, 40979), (2279, 38120), (3812, 22790), (4558, 19060), (4765, 18232), (7624, 11395), (9116, 9530)]