72503680

素因数分解:

$2^7\times 5^1\times {\mathrm{113287}}^1$

素因数の和:113306

約数の個数: 32

約数和(自身を含む): 173330640

約数和(自身を除く): 100826960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113287, 226574, 453148, 566435, 906296, 1132870, 1812592, 2265740, 3625184, 4531480, 7250368, 9062960, 14500736, 18125920, 36251840, 72503680]

約数ペア:

[(1, 72503680), (2, 36251840), (4, 18125920), (5, 14500736), (8, 9062960), (10, 7250368), (16, 4531480), (20, 3625184), (32, 2265740), (40, 1812592), (64, 1132870), (80, 906296), (128, 566435), (160, 453148), (320, 226574), (640, 113287)]