25891480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9661}}^1$

素因数の和:9739

約数の個数: 32

約数和(自身を含む): 59131440

約数和(自身を除く): 33239960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 9661, 19322, 38644, 48305, 77288, 96610, 193220, 386440, 647287, 1294574, 2589148, 3236435, 5178296, 6472870, 12945740, 25891480]

約数ペア:

[(1, 25891480), (2, 12945740), (4, 6472870), (5, 5178296), (8, 3236435), (10, 2589148), (20, 1294574), (40, 647287), (67, 386440), (134, 193220), (268, 96610), (335, 77288), (536, 48305), (670, 38644), (1340, 19322), (2680, 9661)]