25005040

素因数分解:

$2^4\times 5^1\times {\mathrm{312563}}^1$

素因数の和:312576

約数の個数: 20

約数和(自身を含む): 58136904

約数和(自身を除く): 33131864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 312563, 625126, 1250252, 1562815, 2500504, 3125630, 5001008, 6251260, 12502520, 25005040]

約数ペア:

[(1, 25005040), (2, 12502520), (4, 6251260), (5, 5001008), (8, 3125630), (10, 2500504), (16, 1562815), (20, 1250252), (40, 625126), (80, 312563)]