129943360

素因数分解:

$2^6\times 5^1\times {\mathrm{406073}}^1$

素因数の和:406090

約数の個数: 28

約数和(自身を含む): 309428388

約数和(自身を除く): 179485028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 406073, 812146, 1624292, 2030365, 3248584, 4060730, 6497168, 8121460, 12994336, 16242920, 25988672, 32485840, 64971680, 129943360]

約数ペア:

[(1, 129943360), (2, 64971680), (4, 32485840), (5, 25988672), (8, 16242920), (10, 12994336), (16, 8121460), (20, 6497168), (32, 4060730), (40, 3248584), (64, 2030365), (80, 1624292), (160, 812146), (320, 406073)]