71119240

素因数分解:

$2^3\times 5^1\times {\mathrm{1777981}}^1$

素因数の和:1777992

約数の個数: 16

約数和(自身を含む): 160018380

約数和(自身を除く): 88899140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1777981, 3555962, 7111924, 8889905, 14223848, 17779810, 35559620, 71119240]

約数ペア:

[(1, 71119240), (2, 35559620), (4, 17779810), (5, 14223848), (8, 8889905), (10, 7111924), (20, 3555962), (40, 1777981)]