10025000

素因数分解:

$2^3\times 5^5\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 23553180

約数和(自身を除く): 13528180

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 401, 500, 625, 802, 1000, 1250, 1604, 2005, 2500, 3125, 3208, 4010, 5000, 6250, 8020, 10025, 12500, 16040, 20050, 25000, 40100, 50125, 80200, 100250, 200500, 250625, 401000, 501250, 1002500, 1253125, 2005000, 2506250, 5012500, 10025000]

約数ペア:

[(1, 10025000), (2, 5012500), (4, 2506250), (5, 2005000), (8, 1253125), (10, 1002500), (20, 501250), (25, 401000), (40, 250625), (50, 200500), (100, 100250), (125, 80200), (200, 50125), (250, 40100), (401, 25000), (500, 20050), (625, 16040), (802, 12500), (1000, 10025), (1250, 8020), (1604, 6250), (2005, 5000), (2500, 4010), (3125, 3208)]