25584260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5179}}^1$

素因数の和:5220

約数の個数: 48

約数和(自身を含む): 60916800

約数和(自身を除く): 35332540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5179, 10358, 20716, 25895, 51790, 67327, 98401, 103580, 134654, 196802, 269308, 336635, 393604, 492005, 673270, 984010, 1279213, 1346540, 1968020, 2558426, 5116852, 6396065, 12792130, 25584260]

約数ペア:

[(1, 25584260), (2, 12792130), (4, 6396065), (5, 5116852), (10, 2558426), (13, 1968020), (19, 1346540), (20, 1279213), (26, 984010), (38, 673270), (52, 492005), (65, 393604), (76, 336635), (95, 269308), (130, 196802), (190, 134654), (247, 103580), (260, 98401), (380, 67327), (494, 51790), (988, 25895), (1235, 20716), (2470, 10358), (4940, 5179)]