16225340

素因数分解:

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

素因数の和:518

約数の個数: 48

約数和(自身を含む): 35731584

約数和(自身を除く): 19506244

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 421, 470, 820, 842, 940, 1684, 1927, 2105, 3854, 4210, 7708, 8420, 9635, 17261, 19270, 19787, 34522, 38540, 39574, 69044, 79148, 86305, 98935, 172610, 197870, 345220, 395740, 811267, 1622534, 3245068, 4056335, 8112670, 16225340]

約数ペア:

[(1, 16225340), (2, 8112670), (4, 4056335), (5, 3245068), (10, 1622534), (20, 811267), (41, 395740), (47, 345220), (82, 197870), (94, 172610), (164, 98935), (188, 86305), (205, 79148), (235, 69044), (410, 39574), (421, 38540), (470, 34522), (820, 19787), (842, 19270), (940, 17261), (1684, 9635), (1927, 8420), (2105, 7708), (3854, 4210)]