39509990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{971}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 76912416

約数和(自身を除く): 37402426

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 971, 1565, 1942, 3130, 4069, 4855, 8138, 9710, 12623, 20345, 25246, 40690, 63115, 126230, 303923, 607846, 1519615, 3039230, 3950999, 7901998, 19754995, 39509990]

約数ペア:

[(1, 39509990), (2, 19754995), (5, 7901998), (10, 3950999), (13, 3039230), (26, 1519615), (65, 607846), (130, 303923), (313, 126230), (626, 63115), (971, 40690), (1565, 25246), (1942, 20345), (3130, 12623), (4069, 9710), (4855, 8138)]