39778880

素因数分解:

$2^6\times 5^1\times {\mathrm{124309}}^1$

素因数の和:124326

約数の個数: 28

約数和(自身を含む): 94724220

約数和(自身を除く): 54945340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 124309, 248618, 497236, 621545, 994472, 1243090, 1988944, 2486180, 3977888, 4972360, 7955776, 9944720, 19889440, 39778880]

約数ペア:

[(1, 39778880), (2, 19889440), (4, 9944720), (5, 7955776), (8, 4972360), (10, 3977888), (16, 2486180), (20, 1988944), (32, 1243090), (40, 994472), (64, 621545), (80, 497236), (160, 248618), (320, 124309)]