655814080

素因数分解:

$2^6\times 5^1\times {\mathrm{2049419}}^1$

素因数の和:2049436

約数の個数: 28

約数和(自身を含む): 1561658040

約数和(自身を除く): 905843960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2049419, 4098838, 8197676, 10247095, 16395352, 20494190, 32790704, 40988380, 65581408, 81976760, 131162816, 163953520, 327907040, 655814080]

約数ペア:

[(1, 655814080), (2, 327907040), (4, 163953520), (5, 131162816), (8, 81976760), (10, 65581408), (16, 40988380), (20, 32790704), (32, 20494190), (40, 16395352), (64, 10247095), (80, 8197676), (160, 4098838), (320, 2049419)]