15664360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20611}}^1$

素因数の和:20641

約数の個数: 32

約数和(自身を含む): 37101600

約数和(自身を除く): 21437240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20611, 41222, 82444, 103055, 164888, 206110, 391609, 412220, 783218, 824440, 1566436, 1958045, 3132872, 3916090, 7832180, 15664360]

約数ペア:

[(1, 15664360), (2, 7832180), (4, 3916090), (5, 3132872), (8, 1958045), (10, 1566436), (19, 824440), (20, 783218), (38, 412220), (40, 391609), (76, 206110), (95, 164888), (152, 103055), (190, 82444), (380, 41222), (760, 20611)]