64901360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 158239872

約数和(自身を除く): 93338512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 421, 470, 656, 752, 820, 842, 940, 1640, 1684, 1880, 1927, 2105, 3280, 3368, 3760, 3854, 4210, 6736, 7708, 8420, 9635, 15416, 16840, 17261, 19270, 19787, 30832, 33680, 34522, 38540, 39574, 69044, 77080, 79148, 86305, 98935, 138088, 154160, 158296, 172610, 197870, 276176, 316592, 345220, 395740, 690440, 791480, 811267, 1380880, 1582960, 1622534, 3245068, 4056335, 6490136, 8112670, 12980272, 16225340, 32450680, 64901360]

約数ペア:

[(1, 64901360), (2, 32450680), (4, 16225340), (5, 12980272), (8, 8112670), (10, 6490136), (16, 4056335), (20, 3245068), (40, 1622534), (41, 1582960), (47, 1380880), (80, 811267), (82, 791480), (94, 690440), (164, 395740), (188, 345220), (205, 316592), (235, 276176), (328, 197870), (376, 172610), (410, 158296), (421, 154160), (470, 138088), (656, 98935), (752, 86305), (820, 79148), (842, 77080), (940, 69044), (1640, 39574), (1684, 38540), (1880, 34522), (1927, 33680), (2105, 30832), (3280, 19787), (3368, 19270), (3760, 17261), (3854, 16840), (4210, 15416), (6736, 9635), (7708, 8420)]