90748520

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3701}}^1$

素因数の和:4325

約数の個数: 32

約数和(自身を含む): 204572520

約数和(自身を除く): 113824000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 3701, 4904, 6130, 7402, 12260, 14804, 18505, 24520, 29608, 37010, 74020, 148040, 2268713, 4537426, 9074852, 11343565, 18149704, 22687130, 45374260, 90748520]

約数ペア:

[(1, 90748520), (2, 45374260), (4, 22687130), (5, 18149704), (8, 11343565), (10, 9074852), (20, 4537426), (40, 2268713), (613, 148040), (1226, 74020), (2452, 37010), (3065, 29608), (3701, 24520), (4904, 18505), (6130, 14804), (7402, 12260)]