22178360

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^2\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 51188760

約数和(自身を除く): 29010400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 251, 376, 470, 502, 940, 1004, 1255, 1880, 2008, 2209, 2510, 4418, 5020, 8836, 10040, 11045, 11797, 17672, 22090, 23594, 44180, 47188, 58985, 88360, 94376, 117970, 235940, 471880, 554459, 1108918, 2217836, 2772295, 4435672, 5544590, 11089180, 22178360]

約数ペア:

[(1, 22178360), (2, 11089180), (4, 5544590), (5, 4435672), (8, 2772295), (10, 2217836), (20, 1108918), (40, 554459), (47, 471880), (94, 235940), (188, 117970), (235, 94376), (251, 88360), (376, 58985), (470, 47188), (502, 44180), (940, 23594), (1004, 22090), (1255, 17672), (1880, 11797), (2008, 11045), (2209, 10040), (2510, 8836), (4418, 5020)]