51612020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 111283200

約数和(自身を除く): 59671180

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 191, 229, 236, 295, 382, 458, 590, 764, 916, 955, 1145, 1180, 1910, 2290, 3820, 4580, 11269, 13511, 22538, 27022, 43739, 45076, 54044, 56345, 67555, 87478, 112690, 135110, 174956, 218695, 225380, 270220, 437390, 874780, 2580601, 5161202, 10322404, 12903005, 25806010, 51612020]

約数ペア:

[(1, 51612020), (2, 25806010), (4, 12903005), (5, 10322404), (10, 5161202), (20, 2580601), (59, 874780), (118, 437390), (191, 270220), (229, 225380), (236, 218695), (295, 174956), (382, 135110), (458, 112690), (590, 87478), (764, 67555), (916, 56345), (955, 54044), (1145, 45076), (1180, 43739), (1910, 27022), (2290, 22538), (3820, 13511), (4580, 11269)]