78956720

素因数分解:

$2^4\times 5^1\times {\mathrm{986959}}^1$

素因数の和:986972

約数の個数: 20

約数和(自身を含む): 183574560

約数和(自身を除く): 104617840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 986959, 1973918, 3947836, 4934795, 7895672, 9869590, 15791344, 19739180, 39478360, 78956720]

約数ペア:

[(1, 78956720), (2, 39478360), (4, 19739180), (5, 15791344), (8, 9869590), (10, 7895672), (16, 4934795), (20, 3947836), (40, 1973918), (80, 986959)]