20147248640

素因数分解:

$2^9\times 5^1\times {\mathrm{7870019}}^1$

素因数の和:7870042

約数の個数: 40

約数和(自身を含む): 48306182760

約数和(自身を除く): 28158934120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7870019, 15740038, 31480076, 39350095, 62960152, 78700190, 125920304, 157400380, 251840608, 314800760, 503681216, 629601520, 1007362432, 1259203040, 2014724864, 2518406080, 4029449728, 5036812160, 10073624320, 20147248640]

約数ペア:

[(1, 20147248640), (2, 10073624320), (4, 5036812160), (5, 4029449728), (8, 2518406080), (10, 2014724864), (16, 1259203040), (20, 1007362432), (32, 629601520), (40, 503681216), (64, 314800760), (80, 251840608), (128, 157400380), (160, 125920304), (256, 78700190), (320, 62960152), (512, 39350095), (640, 31480076), (1280, 15740038), (2560, 7870019)]