8782280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16889}}^1$

素因数の和:16913

約数の個数: 32

約数和(自身を含む): 21281400

約数和(自身を除く): 12499120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16889, 33778, 67556, 84445, 135112, 168890, 219557, 337780, 439114, 675560, 878228, 1097785, 1756456, 2195570, 4391140, 8782280]

約数ペア:

[(1, 8782280), (2, 4391140), (4, 2195570), (5, 1756456), (8, 1097785), (10, 878228), (13, 675560), (20, 439114), (26, 337780), (40, 219557), (52, 168890), (65, 135112), (104, 84445), (130, 67556), (260, 33778), (520, 16889)]