31183340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9931}}^1$

素因数の和:10097

約数の個数: 24

約数和(自身を含む): 65908752

約数和(自身を除く): 34725412

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 9931, 19862, 39724, 49655, 99310, 198620, 1559167, 3118334, 6236668, 7795835, 15591670, 31183340]

約数ペア:

[(1, 31183340), (2, 15591670), (4, 7795835), (5, 6236668), (10, 3118334), (20, 1559167), (157, 198620), (314, 99310), (628, 49655), (785, 39724), (1570, 19862), (3140, 9931)]