40142720

素因数分解:

$2^7\times 5^1\times {\mathrm{62723}}^1$

素因数の和:62742

約数の個数: 32

約数和(自身を含む): 95967720

約数和(自身を除く): 55825000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 62723, 125446, 250892, 313615, 501784, 627230, 1003568, 1254460, 2007136, 2508920, 4014272, 5017840, 8028544, 10035680, 20071360, 40142720]

約数ペア:

[(1, 40142720), (2, 20071360), (4, 10035680), (5, 8028544), (8, 5017840), (10, 4014272), (16, 2508920), (20, 2007136), (32, 1254460), (40, 1003568), (64, 627230), (80, 501784), (128, 313615), (160, 250892), (320, 125446), (640, 62723)]