40935680

素因数分解:

$2^8\times 5^1\times {\mathrm{31981}}^1$

素因数の和:32002

約数の個数: 36

約数和(自身を含む): 98056812

約数和(自身を除く): 57121132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 31981, 63962, 127924, 159905, 255848, 319810, 511696, 639620, 1023392, 1279240, 2046784, 2558480, 4093568, 5116960, 8187136, 10233920, 20467840, 40935680]

約数ペア:

[(1, 40935680), (2, 20467840), (4, 10233920), (5, 8187136), (8, 5116960), (10, 4093568), (16, 2558480), (20, 2046784), (32, 1279240), (40, 1023392), (64, 639620), (80, 511696), (128, 319810), (160, 255848), (256, 159905), (320, 127924), (640, 63962), (1280, 31981)]