31211360

素因数分解:

$2^5\times 5^1\times {\mathrm{195071}}^1$

素因数の和:195086

約数の個数: 24

約数和(自身を含む): 73737216

約数和(自身を除く): 42525856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 195071, 390142, 780284, 975355, 1560568, 1950710, 3121136, 3901420, 6242272, 7802840, 15605680, 31211360]

約数ペア:

[(1, 31211360), (2, 15605680), (4, 7802840), (5, 6242272), (8, 3901420), (10, 3121136), (16, 1950710), (20, 1560568), (32, 975355), (40, 780284), (80, 390142), (160, 195071)]