40391420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54583}}^1$

素因数の和:54629

約数の個数: 24

約数和(自身を含む): 87116064

約数和(自身を除く): 46724644

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 54583, 109166, 218332, 272915, 545830, 1091660, 2019571, 4039142, 8078284, 10097855, 20195710, 40391420]

約数ペア:

[(1, 40391420), (2, 20195710), (4, 10097855), (5, 8078284), (10, 4039142), (20, 2019571), (37, 1091660), (74, 545830), (148, 272915), (185, 218332), (370, 109166), (740, 54583)]