80611280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59273}}^1$

素因数の和:59303

約数の個数: 40

約数和(自身を含む): 198449352

約数和(自身を除く): 117838072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 59273, 118546, 237092, 296365, 474184, 592730, 948368, 1007641, 1185460, 2015282, 2370920, 4030564, 4741840, 5038205, 8061128, 10076410, 16122256, 20152820, 40305640, 80611280]

約数ペア:

[(1, 80611280), (2, 40305640), (4, 20152820), (5, 16122256), (8, 10076410), (10, 8061128), (16, 5038205), (17, 4741840), (20, 4030564), (34, 2370920), (40, 2015282), (68, 1185460), (80, 1007641), (85, 948368), (136, 592730), (170, 474184), (272, 296365), (340, 237092), (680, 118546), (1360, 59273)]