12902560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7331}}^1$

素因数の和:7357

約数の個数: 48

約数和(自身を含む): 33257952

約数和(自身を除く): 20355392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7331, 14662, 29324, 36655, 58648, 73310, 80641, 117296, 146620, 161282, 234592, 293240, 322564, 403205, 586480, 645128, 806410, 1172960, 1290256, 1612820, 2580512, 3225640, 6451280, 12902560]

約数ペア:

[(1, 12902560), (2, 6451280), (4, 3225640), (5, 2580512), (8, 1612820), (10, 1290256), (11, 1172960), (16, 806410), (20, 645128), (22, 586480), (32, 403205), (40, 322564), (44, 293240), (55, 234592), (80, 161282), (88, 146620), (110, 117296), (160, 80641), (176, 73310), (220, 58648), (352, 36655), (440, 29324), (880, 14662), (1760, 7331)]