45720140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{134471}}^1$

素因数の和:134497

約数の個数: 24

約数和(自身を含む): 101660832

約数和(自身を除く): 55940692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 134471, 268942, 537884, 672355, 1344710, 2286007, 2689420, 4572014, 9144028, 11430035, 22860070, 45720140]

約数ペア:

[(1, 45720140), (2, 22860070), (4, 11430035), (5, 9144028), (10, 4572014), (17, 2689420), (20, 2286007), (34, 1344710), (68, 672355), (85, 537884), (170, 268942), (340, 134471)]