80892875

素因数分解:

$5^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 120362112

約数和(自身を除く): 39469237

約数列:

[1, 5, 7, 25, 35, 47, 49, 125, 175, 235, 245, 281, 329, 875, 1175, 1225, 1405, 1645, 1967, 2303, 5875, 6125, 7025, 8225, 9835, 11515, 13207, 13769, 35125, 41125, 49175, 57575, 66035, 68845, 92449, 245875, 287875, 330175, 344225, 462245, 647143, 1650875, 1721125, 2311225, 3235715, 11556125, 16178575, 80892875]

約数ペア:

[(1, 80892875), (5, 16178575), (7, 11556125), (25, 3235715), (35, 2311225), (47, 1721125), (49, 1650875), (125, 647143), (175, 462245), (235, 344225), (245, 330175), (281, 287875), (329, 245875), (875, 92449), (1175, 68845), (1225, 66035), (1405, 57575), (1645, 49175), (1967, 41125), (2303, 35125), (5875, 13769), (6125, 13207), (7025, 11515), (8225, 9835)]