73480180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{41281}}^1$

素因数の和:41379

約数の個数: 24

約数和(自身を含む): 156045960

約数和(自身を除く): 82565780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 41281, 82562, 165124, 206405, 412810, 825620, 3674009, 7348018, 14696036, 18370045, 36740090, 73480180]

約数ペア:

[(1, 73480180), (2, 36740090), (4, 18370045), (5, 14696036), (10, 7348018), (20, 3674009), (89, 825620), (178, 412810), (356, 206405), (445, 165124), (890, 82562), (1780, 41281)]