67208720

素因数分解:

$2^4\times 5^1\times {\mathrm{840109}}^1$

素因数の和:840122

約数の個数: 20

約数和(自身を含む): 156260460

約数和(自身を除く): 89051740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 840109, 1680218, 3360436, 4200545, 6720872, 8401090, 13441744, 16802180, 33604360, 67208720]

約数ペア:

[(1, 67208720), (2, 33604360), (4, 16802180), (5, 13441744), (8, 8401090), (10, 6720872), (16, 4200545), (20, 3360436), (40, 1680218), (80, 840109)]