40272920

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3583}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 90961920

約数和(自身を除く): 50689000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 3583, 5620, 7166, 11240, 14332, 17915, 28664, 35830, 71660, 143320, 1006823, 2013646, 4027292, 5034115, 8054584, 10068230, 20136460, 40272920]

約数ペア:

[(1, 40272920), (2, 20136460), (4, 10068230), (5, 8054584), (8, 5034115), (10, 4027292), (20, 2013646), (40, 1006823), (281, 143320), (562, 71660), (1124, 35830), (1405, 28664), (2248, 17915), (2810, 14332), (3583, 11240), (5620, 7166)]