12851320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18899}}^1$

素因数の和:18927

約数の個数: 32

約数和(自身を含む): 30618000

約数和(自身を除く): 17766680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18899, 37798, 75596, 94495, 151192, 188990, 321283, 377980, 642566, 755960, 1285132, 1606415, 2570264, 3212830, 6425660, 12851320]

約数ペア:

[(1, 12851320), (2, 6425660), (4, 3212830), (5, 2570264), (8, 1606415), (10, 1285132), (17, 755960), (20, 642566), (34, 377980), (40, 321283), (68, 188990), (85, 151192), (136, 94495), (170, 75596), (340, 37798), (680, 18899)]