12791140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2213}}^1$

素因数の和:2256

約数の個数: 36

約数和(自身を含む): 28547316

約数和(自身を除く): 15756176

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2213, 2890, 4426, 5780, 8852, 11065, 22130, 37621, 44260, 75242, 150484, 188105, 376210, 639557, 752420, 1279114, 2558228, 3197785, 6395570, 12791140]

約数ペア:

[(1, 12791140), (2, 6395570), (4, 3197785), (5, 2558228), (10, 1279114), (17, 752420), (20, 639557), (34, 376210), (68, 188105), (85, 150484), (170, 75242), (289, 44260), (340, 37621), (578, 22130), (1156, 11065), (1445, 8852), (2213, 5780), (2890, 4426)]