31683980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38639}}^1$

素因数の和:38689

約数の個数: 24

約数和(自身を含む): 68160960

約数和(自身を除く): 36476980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38639, 77278, 154556, 193195, 386390, 772780, 1584199, 3168398, 6336796, 7920995, 15841990, 31683980]

約数ペア:

[(1, 31683980), (2, 15841990), (4, 7920995), (5, 6336796), (10, 3168398), (20, 1584199), (41, 772780), (82, 386390), (164, 193195), (205, 154556), (410, 77278), (820, 38639)]