320425775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{4993}}^1$

素因数の和:5171

約数の個数: 24

約数和(自身を含む): 423571104

約数和(自身を除く): 103145329

約数列:

[1, 5, 17, 25, 85, 151, 425, 755, 2567, 3775, 4993, 12835, 24965, 64175, 84881, 124825, 424405, 753943, 2122025, 3769715, 12817031, 18848575, 64085155, 320425775]

約数ペア:

[(1, 320425775), (5, 64085155), (17, 18848575), (25, 12817031), (85, 3769715), (151, 2122025), (425, 753943), (755, 424405), (2567, 124825), (3775, 84881), (4993, 64175), (12835, 24965)]