10851640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3903

約数の個数: 32

約数和(自身を含む): 24766560

約数和(自身を除く): 13914920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3821, 7642, 15284, 19105, 30568, 38210, 76420, 152840, 271291, 542582, 1085164, 1356455, 2170328, 2712910, 5425820, 10851640]

約数ペア:

[(1, 10851640), (2, 5425820), (4, 2712910), (5, 2170328), (8, 1356455), (10, 1085164), (20, 542582), (40, 271291), (71, 152840), (142, 76420), (284, 38210), (355, 30568), (568, 19105), (710, 15284), (1420, 7642), (2840, 3821)]