2001250

素因数分解:

$2^1\times 5^4\times {\mathrm{1601}}^1$

素因数の和:1623

約数の個数: 20

約数和(自身を含む): 3753486

約数和(自身を除く): 1752236

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1601, 3202, 8005, 16010, 40025, 80050, 200125, 400250, 1000625, 2001250]

約数ペア:

[(1, 2001250), (2, 1000625), (5, 400250), (10, 200125), (25, 80050), (50, 40025), (125, 16010), (250, 8005), (625, 3202), (1250, 1601)]