67820680

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6121}}^1$

素因数の和:6409

約数の個数: 32

約数和(自身を含む): 153172440

約数和(自身を除く): 85351760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 6121, 11080, 12242, 24484, 30605, 48968, 61210, 122420, 244840, 1695517, 3391034, 6782068, 8477585, 13564136, 16955170, 33910340, 67820680]

約数ペア:

[(1, 67820680), (2, 33910340), (4, 16955170), (5, 13564136), (8, 8477585), (10, 6782068), (20, 3391034), (40, 1695517), (277, 244840), (554, 122420), (1108, 61210), (1385, 48968), (2216, 30605), (2770, 24484), (5540, 12242), (6121, 11080)]