8021875

素因数分解:

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

素因数の和:193

約数の個数: 24

約数和(自身を含む): 10686816

約数和(自身を除く): 2664941

約数列:

[1, 5, 17, 25, 85, 125, 151, 425, 625, 755, 2125, 2567, 3125, 3775, 10625, 12835, 18875, 53125, 64175, 94375, 320875, 471875, 1604375, 8021875]

約数ペア:

[(1, 8021875), (5, 1604375), (17, 471875), (25, 320875), (85, 94375), (125, 64175), (151, 53125), (425, 18875), (625, 12835), (755, 10625), (2125, 3775), (2567, 3125)]