71213080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17627}}^1$

素因数の和:17739

約数の個数: 32

約数和(自身を含む): 161825040

約数和(自身を除く): 90611960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 17627, 35254, 70508, 88135, 141016, 176270, 352540, 705080, 1780327, 3560654, 7121308, 8901635, 14242616, 17803270, 35606540, 71213080]

約数ペア:

[(1, 71213080), (2, 35606540), (4, 17803270), (5, 14242616), (8, 8901635), (10, 7121308), (20, 3560654), (40, 1780327), (101, 705080), (202, 352540), (404, 176270), (505, 141016), (808, 88135), (1010, 70508), (2020, 35254), (4040, 17627)]