13404140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10987}}^1$

素因数の和:11057

約数の個数: 24

約数和(自身を含む): 28612752

約数和(自身を除く): 15208612

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10987, 21974, 43948, 54935, 109870, 219740, 670207, 1340414, 2680828, 3351035, 6702070, 13404140]

約数ペア:

[(1, 13404140), (2, 6702070), (4, 3351035), (5, 2680828), (10, 1340414), (20, 670207), (61, 219740), (122, 109870), (244, 54935), (305, 43948), (610, 21974), (1220, 10987)]