38905640

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2803}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 87821280

約数和(自身を除く): 48915640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 2803, 3470, 5606, 6940, 11212, 13880, 14015, 22424, 28030, 56060, 112120, 972641, 1945282, 3890564, 4863205, 7781128, 9726410, 19452820, 38905640]

約数ペア:

[(1, 38905640), (2, 19452820), (4, 9726410), (5, 7781128), (8, 4863205), (10, 3890564), (20, 1945282), (40, 972641), (347, 112120), (694, 56060), (1388, 28030), (1735, 22424), (2776, 14015), (2803, 13880), (3470, 11212), (5606, 6940)]