25422500

素因数分解:

$2^2\times 5^4\times {\mathrm{10169}}^1$

素因数の和:10193

約数の個数: 30

約数和(自身を含む): 55599390

約数和(自身を除く): 30176890

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 10169, 20338, 40676, 50845, 101690, 203380, 254225, 508450, 1016900, 1271125, 2542250, 5084500, 6355625, 12711250, 25422500]

約数ペア:

[(1, 25422500), (2, 12711250), (4, 6355625), (5, 5084500), (10, 2542250), (20, 1271125), (25, 1016900), (50, 508450), (100, 254225), (125, 203380), (250, 101690), (500, 50845), (625, 40676), (1250, 20338), (2500, 10169)]