30393680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5351}}^1$

素因数の和:5435

約数の個数: 40

約数和(自身を含む): 71673984

約数和(自身を除く): 41280304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5351, 5680, 10702, 21404, 26755, 42808, 53510, 85616, 107020, 214040, 379921, 428080, 759842, 1519684, 1899605, 3039368, 3799210, 6078736, 7598420, 15196840, 30393680]

約数ペア:

[(1, 30393680), (2, 15196840), (4, 7598420), (5, 6078736), (8, 3799210), (10, 3039368), (16, 1899605), (20, 1519684), (40, 759842), (71, 428080), (80, 379921), (142, 214040), (284, 107020), (355, 85616), (568, 53510), (710, 42808), (1136, 26755), (1420, 21404), (2840, 10702), (5351, 5680)]