11985560

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2011}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 27162000

約数和(自身を除く): 15176440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2011, 2980, 4022, 5960, 8044, 10055, 16088, 20110, 40220, 80440, 299639, 599278, 1198556, 1498195, 2397112, 2996390, 5992780, 11985560]

約数ペア:

[(1, 11985560), (2, 5992780), (4, 2996390), (5, 2397112), (8, 1498195), (10, 1198556), (20, 599278), (40, 299639), (149, 80440), (298, 40220), (596, 20110), (745, 16088), (1192, 10055), (1490, 8044), (2011, 5960), (2980, 4022)]