12916480

素因数分解:

$2^8\times 5^1\times {\mathrm{10091}}^1$

素因数の和:10112

約数の個数: 36

約数和(自身を含む): 30942072

約数和(自身を除く): 18025592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10091, 20182, 40364, 50455, 80728, 100910, 161456, 201820, 322912, 403640, 645824, 807280, 1291648, 1614560, 2583296, 3229120, 6458240, 12916480]

約数ペア:

[(1, 12916480), (2, 6458240), (4, 3229120), (5, 2583296), (8, 1614560), (10, 1291648), (16, 807280), (20, 645824), (32, 403640), (40, 322912), (64, 201820), (80, 161456), (128, 100910), (160, 80728), (256, 50455), (320, 40364), (640, 20182), (1280, 10091)]