130686800

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2081}}^1$

素因数の和:2256

約数の個数: 60

約数和(自身を含む): 316126716

約数和(自身を除く): 185439916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1256, 1570, 2081, 2512, 3140, 3925, 4162, 6280, 7850, 8324, 10405, 12560, 15700, 16648, 20810, 31400, 33296, 41620, 52025, 62800, 83240, 104050, 166480, 208100, 326717, 416200, 653434, 832400, 1306868, 1633585, 2613736, 3267170, 5227472, 6534340, 8167925, 13068680, 16335850, 26137360, 32671700, 65343400, 130686800]

約数ペア:

[(1, 130686800), (2, 65343400), (4, 32671700), (5, 26137360), (8, 16335850), (10, 13068680), (16, 8167925), (20, 6534340), (25, 5227472), (40, 3267170), (50, 2613736), (80, 1633585), (100, 1306868), (157, 832400), (200, 653434), (314, 416200), (400, 326717), (628, 208100), (785, 166480), (1256, 104050), (1570, 83240), (2081, 62800), (2512, 52025), (3140, 41620), (3925, 33296), (4162, 31400), (6280, 20810), (7850, 16648), (8324, 15700), (10405, 12560)]