8923280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1655

約数の個数: 40

約数和(自身を含む): 21052224

約数和(自身を除く): 12128944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1571, 2840, 3142, 5680, 6284, 7855, 12568, 15710, 25136, 31420, 62840, 111541, 125680, 223082, 446164, 557705, 892328, 1115410, 1784656, 2230820, 4461640, 8923280]

約数ペア:

[(1, 8923280), (2, 4461640), (4, 2230820), (5, 1784656), (8, 1115410), (10, 892328), (16, 557705), (20, 446164), (40, 223082), (71, 125680), (80, 111541), (142, 62840), (284, 31420), (355, 25136), (568, 15710), (710, 12568), (1136, 7855), (1420, 6284), (1571, 5680), (2840, 3142)]