203417647120

素因数分解:

$2^4\times 5^1\times {\mathrm{2542720589}}^1$

素因数の和:2542720602

約数の個数: 20

約数和(自身を含む): 472946029740

約数和(自身を除く): 269528382620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542720589, 5085441178, 10170882356, 12713602945, 20341764712, 25427205890, 40683529424, 50854411780, 101708823560, 203417647120]

約数ペア:

[(1, 203417647120), (2, 101708823560), (4, 50854411780), (5, 40683529424), (8, 25427205890), (10, 20341764712), (16, 12713602945), (20, 10170882356), (40, 5085441178), (80, 2542720589)]