16980280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24971}}^1$

素因数の和:24999

約数の個数: 32

約数和(自身を含む): 40454640

約数和(自身を除く): 23474360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 24971, 49942, 99884, 124855, 199768, 249710, 424507, 499420, 849014, 998840, 1698028, 2122535, 3396056, 4245070, 8490140, 16980280]

約数ペア:

[(1, 16980280), (2, 8490140), (4, 4245070), (5, 3396056), (8, 2122535), (10, 1698028), (17, 998840), (20, 849014), (34, 499420), (40, 424507), (68, 249710), (85, 199768), (136, 124855), (170, 99884), (340, 49942), (680, 24971)]