39906490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1223}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 77728896

約数和(自身を除く): 37822406

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1223, 1255, 2446, 2510, 3263, 6115, 6526, 12230, 15899, 16315, 31798, 32630, 79495, 158990, 306973, 613946, 1534865, 3069730, 3990649, 7981298, 19953245, 39906490]

約数ペア:

[(1, 39906490), (2, 19953245), (5, 7981298), (10, 3990649), (13, 3069730), (26, 1534865), (65, 613946), (130, 306973), (251, 158990), (502, 79495), (1223, 32630), (1255, 31798), (2446, 16315), (2510, 15899), (3263, 12230), (6115, 6526)]