73972120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{11779}}^1$

素因数の和:11947

約数の個数: 32

約数和(自身を含む): 167511600

約数和(自身を除く): 93539480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 11779, 23558, 47116, 58895, 94232, 117790, 235580, 471160, 1849303, 3698606, 7397212, 9246515, 14794424, 18493030, 36986060, 73972120]

約数ペア:

[(1, 73972120), (2, 36986060), (4, 18493030), (5, 14794424), (8, 9246515), (10, 7397212), (20, 3698606), (40, 1849303), (157, 471160), (314, 235580), (628, 117790), (785, 94232), (1256, 58895), (1570, 47116), (3140, 23558), (6280, 11779)]