25728220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6337}}^1$

素因数の和:6382

約数の個数: 48

約数和(自身を含む): 63887040

約数和(自身を除く): 38158820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6337, 12674, 25348, 31685, 44359, 63370, 88718, 126740, 177436, 183773, 221795, 367546, 443590, 735092, 887180, 918865, 1286411, 1837730, 2572822, 3675460, 5145644, 6432055, 12864110, 25728220]

約数ペア:

[(1, 25728220), (2, 12864110), (4, 6432055), (5, 5145644), (7, 3675460), (10, 2572822), (14, 1837730), (20, 1286411), (28, 918865), (29, 887180), (35, 735092), (58, 443590), (70, 367546), (116, 221795), (140, 183773), (145, 177436), (203, 126740), (290, 88718), (406, 63370), (580, 44359), (812, 31685), (1015, 25348), (2030, 12674), (4060, 6337)]