40318640

素因数分解:

$2^4\times 5^1\times {\mathrm{503983}}^1$

素因数の和:503996

約数の個数: 20

約数和(自身を含む): 93741024

約数和(自身を除く): 53422384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503983, 1007966, 2015932, 2519915, 4031864, 5039830, 8063728, 10079660, 20159320, 40318640]

約数ペア:

[(1, 40318640), (2, 20159320), (4, 10079660), (5, 8063728), (8, 5039830), (10, 4031864), (16, 2519915), (20, 2015932), (40, 1007966), (80, 503983)]