8086780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1637}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 19262880

約数和(自身を除く): 11176100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1637, 2470, 3274, 4940, 6548, 8185, 16370, 21281, 31103, 32740, 42562, 62206, 85124, 106405, 124412, 155515, 212810, 311030, 404339, 425620, 622060, 808678, 1617356, 2021695, 4043390, 8086780]

約数ペア:

[(1, 8086780), (2, 4043390), (4, 2021695), (5, 1617356), (10, 808678), (13, 622060), (19, 425620), (20, 404339), (26, 311030), (38, 212810), (52, 155515), (65, 124412), (76, 106405), (95, 85124), (130, 62206), (190, 42562), (247, 32740), (260, 31103), (380, 21281), (494, 16370), (988, 8185), (1235, 6548), (1637, 4940), (2470, 3274)]