40163980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87313}}^1$

素因数の和:87345

約数の個数: 24

約数和(自身を含む): 88012512

約数和(自身を除く): 47848532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 87313, 174626, 349252, 436565, 873130, 1746260, 2008199, 4016398, 8032796, 10040995, 20081990, 40163980]

約数ペア:

[(1, 40163980), (2, 20081990), (4, 10040995), (5, 8032796), (10, 4016398), (20, 2008199), (23, 1746260), (46, 873130), (92, 436565), (115, 349252), (230, 174626), (460, 87313)]