4619375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:428

約数の個数: 20

約数和(自身を含む): 6091800

約数和(自身を除く): 1472425

約数列:

[1, 5, 19, 25, 95, 125, 389, 475, 625, 1945, 2375, 7391, 9725, 11875, 36955, 48625, 184775, 243125, 923875, 4619375]

約数ペア:

[(1, 4619375), (5, 923875), (19, 243125), (25, 184775), (95, 48625), (125, 36955), (389, 11875), (475, 9725), (625, 7391), (1945, 2375)]