4428125

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 6015240

約数和(自身を除く): 1587115

約数列:

[1, 5, 13, 25, 65, 109, 125, 325, 545, 625, 1417, 1625, 2725, 3125, 7085, 8125, 13625, 35425, 40625, 68125, 177125, 340625, 885625, 4428125]

約数ペア:

[(1, 4428125), (5, 885625), (13, 340625), (25, 177125), (65, 68125), (109, 40625), (125, 35425), (325, 13625), (545, 8125), (625, 7085), (1417, 3125), (1625, 2725)]