39778160

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1021}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 92764896

約数和(自身を除く): 52986736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1021, 1948, 2042, 2435, 3896, 4084, 4870, 5105, 7792, 8168, 9740, 10210, 16336, 19480, 20420, 38960, 40840, 81680, 497227, 994454, 1988908, 2486135, 3977816, 4972270, 7955632, 9944540, 19889080, 39778160]

約数ペア:

[(1, 39778160), (2, 19889080), (4, 9944540), (5, 7955632), (8, 4972270), (10, 3977816), (16, 2486135), (20, 1988908), (40, 994454), (80, 497227), (487, 81680), (974, 40840), (1021, 38960), (1948, 20420), (2042, 19480), (2435, 16336), (3896, 10210), (4084, 9740), (4870, 8168), (5105, 7792)]