22502500

素因数分解:

$2^2\times 5^4\times {\mathrm{9001}}^1$

素因数の和:9025

約数の個数: 30

約数和(自身を含む): 49213934

約数和(自身を除く): 26711434

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 9001, 18002, 36004, 45005, 90010, 180020, 225025, 450050, 900100, 1125125, 2250250, 4500500, 5625625, 11251250, 22502500]

約数ペア:

[(1, 22502500), (2, 11251250), (4, 5625625), (5, 4500500), (10, 2250250), (20, 1125125), (25, 900100), (50, 450050), (100, 225025), (125, 180020), (250, 90010), (500, 45005), (625, 36004), (1250, 18002), (2500, 9001)]