80342575

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 103180896

約数和(自身を除く): 22838321

約数列:

[1, 5, 25, 41, 103, 205, 515, 761, 1025, 2575, 3805, 4223, 19025, 21115, 31201, 78383, 105575, 156005, 391915, 780025, 1959575, 3213703, 16068515, 80342575]

約数ペア:

[(1, 80342575), (5, 16068515), (25, 3213703), (41, 1959575), (103, 780025), (205, 391915), (515, 156005), (761, 105575), (1025, 78383), (2575, 31201), (3805, 21115), (4223, 19025)]