71994760

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2287}}^1$

素因数の和:3085

約数の個数: 32

約数和(自身を含む): 162264960

約数和(自身を除く): 90270200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 2287, 3148, 3935, 4574, 6296, 7870, 9148, 11435, 15740, 18296, 22870, 31480, 45740, 91480, 1799869, 3599738, 7199476, 8999345, 14398952, 17998690, 35997380, 71994760]

約数ペア:

[(1, 71994760), (2, 35997380), (4, 17998690), (5, 14398952), (8, 8999345), (10, 7199476), (20, 3599738), (40, 1799869), (787, 91480), (1574, 45740), (2287, 31480), (3148, 22870), (3935, 18296), (4574, 15740), (6296, 11435), (7870, 9148)]