71527540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16481}}^1$

素因数の和:16528

約数の個数: 48

約数和(自身を含む): 177214464

約数和(自身を除く): 105686924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16481, 32962, 65924, 82405, 115367, 164810, 230734, 329620, 461468, 510911, 576835, 1021822, 1153670, 2043644, 2307340, 2554555, 3576377, 5109110, 7152754, 10218220, 14305508, 17881885, 35763770, 71527540]

約数ペア:

[(1, 71527540), (2, 35763770), (4, 17881885), (5, 14305508), (7, 10218220), (10, 7152754), (14, 5109110), (20, 3576377), (28, 2554555), (31, 2307340), (35, 2043644), (62, 1153670), (70, 1021822), (124, 576835), (140, 510911), (155, 461468), (217, 329620), (310, 230734), (434, 164810), (620, 115367), (868, 82405), (1085, 65924), (2170, 32962), (4340, 16481)]