2870440

素因数分解:

$2^3\times 5^1\times {\mathrm{71761}}^1$

素因数の和:71772

約数の個数: 16

約数和(自身を含む): 6458580

約数和(自身を除く): 3588140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71761, 143522, 287044, 358805, 574088, 717610, 1435220, 2870440]

約数ペア:

[(1, 2870440), (2, 1435220), (4, 717610), (5, 574088), (8, 358805), (10, 287044), (20, 143522), (40, 71761)]