8724560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1$

素因数の和:8415

約数の個数: 40

約数和(自身を含む): 21847560

約数和(自身を除く): 13123000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8389, 16778, 33556, 41945, 67112, 83890, 109057, 134224, 167780, 218114, 335560, 436228, 545285, 671120, 872456, 1090570, 1744912, 2181140, 4362280, 8724560]

約数ペア:

[(1, 8724560), (2, 4362280), (4, 2181140), (5, 1744912), (8, 1090570), (10, 872456), (13, 671120), (16, 545285), (20, 436228), (26, 335560), (40, 218114), (52, 167780), (65, 134224), (80, 109057), (104, 83890), (130, 67112), (208, 41945), (260, 33556), (520, 16778), (1040, 8389)]