8220030875

素因数分解:

$5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 11920097280

約数和(自身を除く): 3700066405

約数列:

[1, 5, 7, 25, 35, 103, 125, 175, 223, 409, 515, 721, 875, 1115, 1561, 2045, 2575, 2863, 3605, 5575, 7805, 10225, 12875, 14315, 18025, 22969, 27875, 39025, 42127, 51125, 71575, 90125, 91207, 114845, 160783, 195125, 210635, 294889, 357875, 456035, 574225, 638449, 803915, 1053175, 1474445, 2280175, 2871125, 3192245, 4019575, 5265875, 7372225, 9394321, 11400875, 15961225, 20097875, 36861125, 46971605, 65760247, 79806125, 234858025, 328801235, 1174290125, 1644006175, 8220030875]

約数ペア:

[(1, 8220030875), (5, 1644006175), (7, 1174290125), (25, 328801235), (35, 234858025), (103, 79806125), (125, 65760247), (175, 46971605), (223, 36861125), (409, 20097875), (515, 15961225), (721, 11400875), (875, 9394321), (1115, 7372225), (1561, 5265875), (2045, 4019575), (2575, 3192245), (2863, 2871125), (3605, 2280175), (5575, 1474445), (7805, 1053175), (10225, 803915), (12875, 638449), (14315, 574225), (18025, 456035), (22969, 357875), (27875, 294889), (39025, 210635), (42127, 195125), (51125, 160783), (71575, 114845), (90125, 91207)]