38430625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{3617}}^1$

素因数の和:3654

約数の個数: 20

約数和(自身を含む): 50861844

約数和(自身を除く): 12431219

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 3617, 10625, 18085, 61489, 90425, 307445, 452125, 1537225, 2260625, 7686125, 38430625]

約数ペア:

[(1, 38430625), (5, 7686125), (17, 2260625), (25, 1537225), (85, 452125), (125, 307445), (425, 90425), (625, 61489), (2125, 18085), (3617, 10625)]