520180120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{757}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 1203400800

約数和(自身を除く): 683220680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 419, 757, 820, 838, 1514, 1640, 1676, 2095, 3028, 3352, 3785, 4190, 6056, 7570, 8380, 15140, 16760, 17179, 30280, 31037, 34358, 62074, 68716, 85895, 124148, 137432, 155185, 171790, 248296, 310370, 317183, 343580, 620740, 634366, 687160, 1241480, 1268732, 1585915, 2537464, 3171830, 6343660, 12687320, 13004503, 26009006, 52018012, 65022515, 104036024, 130045030, 260090060, 520180120]

約数ペア:

[(1, 520180120), (2, 260090060), (4, 130045030), (5, 104036024), (8, 65022515), (10, 52018012), (20, 26009006), (40, 13004503), (41, 12687320), (82, 6343660), (164, 3171830), (205, 2537464), (328, 1585915), (410, 1268732), (419, 1241480), (757, 687160), (820, 634366), (838, 620740), (1514, 343580), (1640, 317183), (1676, 310370), (2095, 248296), (3028, 171790), (3352, 155185), (3785, 137432), (4190, 124148), (6056, 85895), (7570, 68716), (8380, 62074), (15140, 34358), (16760, 31037), (17179, 30280)]