9139120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1693

約数の個数: 40

約数和(自身を含む): 21561120

約数和(自身を除く): 12422000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1609, 2840, 3218, 5680, 6436, 8045, 12872, 16090, 25744, 32180, 64360, 114239, 128720, 228478, 456956, 571195, 913912, 1142390, 1827824, 2284780, 4569560, 9139120]

約数ペア:

[(1, 9139120), (2, 4569560), (4, 2284780), (5, 1827824), (8, 1142390), (10, 913912), (16, 571195), (20, 456956), (40, 228478), (71, 128720), (80, 114239), (142, 64360), (284, 32180), (355, 25744), (568, 16090), (710, 12872), (1136, 8045), (1420, 6436), (1609, 5680), (2840, 3218)]