129620200

素因数分解:

$2^3\times 5^2\times {\mathrm{648101}}^1$

素因数の和:648117

約数の個数: 24

約数和(自身を含む): 301367430

約数和(自身を除く): 171747230

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 648101, 1296202, 2592404, 3240505, 5184808, 6481010, 12962020, 16202525, 25924040, 32405050, 64810100, 129620200]

約数ペア:

[(1, 129620200), (2, 64810100), (4, 32405050), (5, 25924040), (8, 16202525), (10, 12962020), (20, 6481010), (25, 5184808), (40, 3240505), (50, 2592404), (100, 1296202), (200, 648101)]