2080771180

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1\times {\mathrm{1619}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 4408992000

約数和(自身を除く): 2328220820

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 359, 716, 718, 895, 1436, 1619, 1790, 1795, 3238, 3580, 3590, 6476, 7180, 8095, 16190, 32380, 64261, 128522, 257044, 289801, 321305, 579602, 581221, 642610, 1159204, 1162442, 1285220, 1449005, 2324884, 2898010, 2906105, 5796020, 5812210, 11624420, 104038559, 208077118, 416154236, 520192795, 1040385590, 2080771180]

約数ペア:

[(1, 2080771180), (2, 1040385590), (4, 520192795), (5, 416154236), (10, 208077118), (20, 104038559), (179, 11624420), (358, 5812210), (359, 5796020), (716, 2906105), (718, 2898010), (895, 2324884), (1436, 1449005), (1619, 1285220), (1790, 1162442), (1795, 1159204), (3238, 642610), (3580, 581221), (3590, 579602), (6476, 321305), (7180, 289801), (8095, 257044), (16190, 128522), (32380, 64261)]