4500500

素因数分解:

$2^2\times 5^3\times {\mathrm{9001}}^1$

素因数の和:9020

約数の個数: 24

約数和(自身を含む): 9830184

約数和(自身を除く): 5329684

約数列:

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

約数ペア:

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