66520840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14717}}^1$

素因数の和:14841

約数の個数: 32

約数和(自身を含む): 151006680

約数和(自身を除く): 84485840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14717, 29434, 58868, 73585, 117736, 147170, 294340, 588680, 1663021, 3326042, 6652084, 8315105, 13304168, 16630210, 33260420, 66520840]

約数ペア:

[(1, 66520840), (2, 33260420), (4, 16630210), (5, 13304168), (8, 8315105), (10, 6652084), (20, 3326042), (40, 1663021), (113, 588680), (226, 294340), (452, 147170), (565, 117736), (904, 73585), (1130, 58868), (2260, 29434), (4520, 14717)]