80821551460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{310852121}}^1$

素因数の和:310852143

約数の個数: 24

約数和(自身を含む): 182781047736

約数和(自身を除く): 101959496276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 310852121, 621704242, 1243408484, 1554260605, 3108521210, 4041077573, 6217042420, 8082155146, 16164310292, 20205387865, 40410775730, 80821551460]

約数ペア:

[(1, 80821551460), (2, 40410775730), (4, 20205387865), (5, 16164310292), (10, 8082155146), (13, 6217042420), (20, 4041077573), (26, 3108521210), (52, 1554260605), (65, 1243408484), (130, 621704242), (260, 310852121)]