1604375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:188

約数の個数: 20

約数和(自身を含む): 2136816

約数和(自身を除く): 532441

約数列:

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

約数ペア:

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