40421872

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{11329}}^1$

素因数の和:11560

約数の個数: 20

約数和(自身を含む): 78675520

約数和(自身を除く): 38253648

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 11329, 22658, 45316, 90632, 181264, 2526367, 5052734, 10105468, 20210936, 40421872]

約数ペア:

[(1, 40421872), (2, 20210936), (4, 10105468), (8, 5052734), (16, 2526367), (223, 181264), (446, 90632), (892, 45316), (1784, 22658), (3568, 11329)]