1800625

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 20

約数和(自身を含む): 2336752

約数和(自身を除く): 536127

約数列:

[1, 5, 25, 43, 67, 125, 215, 335, 625, 1075, 1675, 2881, 5375, 8375, 14405, 26875, 41875, 72025, 360125, 1800625]

約数ペア:

[(1, 1800625), (5, 360125), (25, 72025), (43, 41875), (67, 26875), (125, 14405), (215, 8375), (335, 5375), (625, 2881), (1075, 1675)]