4002500

素因数分解:

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

素因数の和:1625

約数の個数: 30

約数和(自身を含む): 8758134

約数和(自身を除く): 4755634

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1601, 2500, 3202, 6404, 8005, 16010, 32020, 40025, 80050, 160100, 200125, 400250, 800500, 1000625, 2001250, 4002500]

約数ペア:

[(1, 4002500), (2, 2001250), (4, 1000625), (5, 800500), (10, 400250), (20, 200125), (25, 160100), (50, 80050), (100, 40025), (125, 32020), (250, 16010), (500, 8005), (625, 6404), (1250, 3202), (1601, 2500)]