18048640

素因数分解:

$2^7\times 5^1\times {\mathrm{28201}}^1$

素因数の和:28220

約数の個数: 32

約数和(自身を含む): 43149060

約数和(自身を除く): 25100420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28201, 56402, 112804, 141005, 225608, 282010, 451216, 564020, 902432, 1128040, 1804864, 2256080, 3609728, 4512160, 9024320, 18048640]

約数ペア:

[(1, 18048640), (2, 9024320), (4, 4512160), (5, 3609728), (8, 2256080), (10, 1804864), (16, 1128040), (20, 902432), (32, 564020), (40, 451216), (64, 282010), (80, 225608), (128, 141005), (160, 112804), (320, 56402), (640, 28201)]