11709920

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 27896400

約数和(自身を除く): 16186480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 449, 652, 815, 898, 1304, 1630, 1796, 2245, 2608, 3260, 3592, 4490, 5216, 6520, 7184, 8980, 13040, 14368, 17960, 26080, 35920, 71840, 73187, 146374, 292748, 365935, 585496, 731870, 1170992, 1463740, 2341984, 2927480, 5854960, 11709920]

約数ペア:

[(1, 11709920), (2, 5854960), (4, 2927480), (5, 2341984), (8, 1463740), (10, 1170992), (16, 731870), (20, 585496), (32, 365935), (40, 292748), (80, 146374), (160, 73187), (163, 71840), (326, 35920), (449, 26080), (652, 17960), (815, 14368), (898, 13040), (1304, 8980), (1630, 7184), (1796, 6520), (2245, 5216), (2608, 4490), (3260, 3592)]