64246180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1667}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 141232896

約数和(自身を除く): 76986716

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1667, 1927, 3334, 3854, 6668, 7708, 8335, 9635, 16670, 19270, 33340, 38540, 68347, 78349, 136694, 156698, 273388, 313396, 341735, 391745, 683470, 783490, 1366940, 1566980, 3212309, 6424618, 12849236, 16061545, 32123090, 64246180]

約数ペア:

[(1, 64246180), (2, 32123090), (4, 16061545), (5, 12849236), (10, 6424618), (20, 3212309), (41, 1566980), (47, 1366940), (82, 783490), (94, 683470), (164, 391745), (188, 341735), (205, 313396), (235, 273388), (410, 156698), (470, 136694), (820, 78349), (940, 68347), (1667, 38540), (1927, 33340), (3334, 19270), (3854, 16670), (6668, 9635), (7708, 8335)]