8490140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24971}}^1$

素因数の和:24997

約数の個数: 24

約数和(自身を含む): 18878832

約数和(自身を除く): 10388692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 24971, 49942, 99884, 124855, 249710, 424507, 499420, 849014, 1698028, 2122535, 4245070, 8490140]

約数ペア:

[(1, 8490140), (2, 4245070), (4, 2122535), (5, 1698028), (10, 849014), (17, 499420), (20, 424507), (34, 249710), (68, 124855), (85, 99884), (170, 49942), (340, 24971)]