39894040

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1627}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 89963280

約数和(自身を除く): 50069240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 1627, 2452, 3065, 3254, 4904, 6130, 6508, 8135, 12260, 13016, 16270, 24520, 32540, 65080, 997351, 1994702, 3989404, 4986755, 7978808, 9973510, 19947020, 39894040]

約数ペア:

[(1, 39894040), (2, 19947020), (4, 9973510), (5, 7978808), (8, 4986755), (10, 3989404), (20, 1994702), (40, 997351), (613, 65080), (1226, 32540), (1627, 24520), (2452, 16270), (3065, 13016), (3254, 12260), (4904, 8135), (6130, 6508)]