25196660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 56663040

約数和(自身を除く): 31466380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1087, 1159, 1220, 2174, 2318, 4348, 4636, 5435, 5795, 10870, 11590, 20653, 21740, 23180, 41306, 66307, 82612, 103265, 132614, 206530, 265228, 331535, 413060, 663070, 1259833, 1326140, 2519666, 5039332, 6299165, 12598330, 25196660]

約数ペア:

[(1, 25196660), (2, 12598330), (4, 6299165), (5, 5039332), (10, 2519666), (19, 1326140), (20, 1259833), (38, 663070), (61, 413060), (76, 331535), (95, 265228), (122, 206530), (190, 132614), (244, 103265), (305, 82612), (380, 66307), (610, 41306), (1087, 23180), (1159, 21740), (1220, 20653), (2174, 11590), (2318, 10870), (4348, 5795), (4636, 5435)]