2081567120

素因数分解:

$2^4\times 5^1\times {\mathrm{2903}}^1\times {\mathrm{8963}}^1$

素因数の和:11879

約数の個数: 40

約数和(自身を含む): 4841850816

約数和(自身を除く): 2760283696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2903, 5806, 8963, 11612, 14515, 17926, 23224, 29030, 35852, 44815, 46448, 58060, 71704, 89630, 116120, 143408, 179260, 232240, 358520, 717040, 26019589, 52039178, 104078356, 130097945, 208156712, 260195890, 416313424, 520391780, 1040783560, 2081567120]

約数ペア:

[(1, 2081567120), (2, 1040783560), (4, 520391780), (5, 416313424), (8, 260195890), (10, 208156712), (16, 130097945), (20, 104078356), (40, 52039178), (80, 26019589), (2903, 717040), (5806, 358520), (8963, 232240), (11612, 179260), (14515, 143408), (17926, 116120), (23224, 89630), (29030, 71704), (35852, 58060), (44815, 46448)]