127542020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 275159808

約数和(自身を除く): 147617788

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 241, 470, 482, 563, 940, 964, 1126, 1205, 2252, 2410, 2815, 4820, 5630, 11260, 11327, 22654, 26461, 45308, 52922, 56635, 105844, 113270, 132305, 135683, 226540, 264610, 271366, 529220, 542732, 678415, 1356830, 2713660, 6377101, 12754202, 25508404, 31885505, 63771010, 127542020]

約数ペア:

[(1, 127542020), (2, 63771010), (4, 31885505), (5, 25508404), (10, 12754202), (20, 6377101), (47, 2713660), (94, 1356830), (188, 678415), (235, 542732), (241, 529220), (470, 271366), (482, 264610), (563, 226540), (940, 135683), (964, 132305), (1126, 113270), (1205, 105844), (2252, 56635), (2410, 52922), (2815, 45308), (4820, 26461), (5630, 22654), (11260, 11327)]