57120980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8681}}^1$

素因数の和:8744

約数の個数: 48

約数和(自身を含む): 140023296

約数和(自身を除く): 82902316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 8681, 17362, 34724, 43405, 60767, 86810, 121534, 173620, 243068, 303835, 408007, 607670, 816014, 1215340, 1632028, 2040035, 2856049, 4080070, 5712098, 8160140, 11424196, 14280245, 28560490, 57120980]

約数ペア:

[(1, 57120980), (2, 28560490), (4, 14280245), (5, 11424196), (7, 8160140), (10, 5712098), (14, 4080070), (20, 2856049), (28, 2040035), (35, 1632028), (47, 1215340), (70, 816014), (94, 607670), (140, 408007), (188, 303835), (235, 243068), (329, 173620), (470, 121534), (658, 86810), (940, 60767), (1316, 43405), (1645, 34724), (3290, 17362), (6580, 8681)]