72956720

素因数分解:

$2^4\times 5^1\times {\mathrm{911959}}^1$

素因数の和:911972

約数の個数: 20

約数和(自身を含む): 169624560

約数和(自身を除く): 96667840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911959, 1823918, 3647836, 4559795, 7295672, 9119590, 14591344, 18239180, 36478360, 72956720]

約数ペア:

[(1, 72956720), (2, 36478360), (4, 18239180), (5, 14591344), (8, 9119590), (10, 7295672), (16, 4559795), (20, 3647836), (40, 1823918), (80, 911959)]