890257420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3424067}}^1$

素因数の和:3424089

約数の個数: 24

約数和(自身を含む): 2013351984

約数和(自身を除く): 1123094564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3424067, 6848134, 13696268, 17120335, 34240670, 44512871, 68481340, 89025742, 178051484, 222564355, 445128710, 890257420]

約数ペア:

[(1, 890257420), (2, 445128710), (4, 222564355), (5, 178051484), (10, 89025742), (13, 68481340), (20, 44512871), (26, 34240670), (52, 17120335), (65, 13696268), (130, 6848134), (260, 3424067)]