3978650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6121}}^1$

素因数の和:6146

約数の個数: 24

約数和(自身を含む): 7970844

約数和(自身を除く): 3992194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 6121, 12242, 30605, 61210, 79573, 153025, 159146, 306050, 397865, 795730, 1989325, 3978650]

約数ペア:

[(1, 3978650), (2, 1989325), (5, 795730), (10, 397865), (13, 306050), (25, 159146), (26, 153025), (50, 79573), (65, 61210), (130, 30605), (325, 12242), (650, 6121)]