51322240

素因数分解:

$2^7\times 5^1\times {\mathrm{80191}}^1$

素因数の和:80210

約数の個数: 32

約数和(自身を含む): 122693760

約数和(自身を除く): 71371520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80191, 160382, 320764, 400955, 641528, 801910, 1283056, 1603820, 2566112, 3207640, 5132224, 6415280, 10264448, 12830560, 25661120, 51322240]

約数ペア:

[(1, 51322240), (2, 25661120), (4, 12830560), (5, 10264448), (8, 6415280), (10, 5132224), (16, 3207640), (20, 2566112), (32, 1603820), (40, 1283056), (64, 801910), (80, 641528), (128, 400955), (160, 320764), (320, 160382), (640, 80191)]