82581200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15881}}^1$

素因数の和:15912

約数の個数: 60

約数和(自身を含む): 213676428

約数和(自身を除く): 131095228

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 15881, 31762, 63524, 79405, 127048, 158810, 206453, 254096, 317620, 397025, 412906, 635240, 794050, 825812, 1032265, 1270480, 1588100, 1651624, 2064530, 3176200, 3303248, 4129060, 5161325, 6352400, 8258120, 10322650, 16516240, 20645300, 41290600, 82581200]

約数ペア:

[(1, 82581200), (2, 41290600), (4, 20645300), (5, 16516240), (8, 10322650), (10, 8258120), (13, 6352400), (16, 5161325), (20, 4129060), (25, 3303248), (26, 3176200), (40, 2064530), (50, 1651624), (52, 1588100), (65, 1270480), (80, 1032265), (100, 825812), (104, 794050), (130, 635240), (200, 412906), (208, 397025), (260, 317620), (325, 254096), (400, 206453), (520, 158810), (650, 127048), (1040, 79405), (1300, 63524), (2600, 31762), (5200, 15881)]