40535680

素因数分解:

$2^7\times 5^1\times {\mathrm{63337}}^1$

素因数の和:63356

約数の個数: 32

約数和(自身を含む): 96907140

約数和(自身を除く): 56371460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63337, 126674, 253348, 316685, 506696, 633370, 1013392, 1266740, 2026784, 2533480, 4053568, 5066960, 8107136, 10133920, 20267840, 40535680]

約数ペア:

[(1, 40535680), (2, 20267840), (4, 10133920), (5, 8107136), (8, 5066960), (10, 4053568), (16, 2533480), (20, 2026784), (32, 1266740), (40, 1013392), (64, 633370), (80, 506696), (128, 316685), (160, 253348), (320, 126674), (640, 63337)]