28216250

素因数分解:

$2^1\times 5^4\times {\mathrm{22573}}^1$

素因数の和:22595

約数の個数: 20

約数和(自身を含む): 52890882

約数和(自身を除く): 24674632

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22573, 45146, 112865, 225730, 564325, 1128650, 2821625, 5643250, 14108125, 28216250]

約数ペア:

[(1, 28216250), (2, 14108125), (5, 5643250), (10, 2821625), (25, 1128650), (50, 564325), (125, 225730), (250, 112865), (625, 45146), (1250, 22573)]