4979120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 11703120

約数和(自身を除く): 6724000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 571, 872, 1090, 1142, 1744, 2180, 2284, 2855, 4360, 4568, 5710, 8720, 9136, 11420, 22840, 45680, 62239, 124478, 248956, 311195, 497912, 622390, 995824, 1244780, 2489560, 4979120]

約数ペア:

[(1, 4979120), (2, 2489560), (4, 1244780), (5, 995824), (8, 622390), (10, 497912), (16, 311195), (20, 248956), (40, 124478), (80, 62239), (109, 45680), (218, 22840), (436, 11420), (545, 9136), (571, 8720), (872, 5710), (1090, 4568), (1142, 4360), (1744, 2855), (2180, 2284)]