75270640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21881}}^1$

素因数の和:21937

約数の個数: 40

約数和(自身を含む): 179082288

約数和(自身を除く): 103811648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21881, 43762, 87524, 109405, 175048, 218810, 350096, 437620, 875240, 940883, 1750480, 1881766, 3763532, 4704415, 7527064, 9408830, 15054128, 18817660, 37635320, 75270640]

約数ペア:

[(1, 75270640), (2, 37635320), (4, 18817660), (5, 15054128), (8, 9408830), (10, 7527064), (16, 4704415), (20, 3763532), (40, 1881766), (43, 1750480), (80, 940883), (86, 875240), (172, 437620), (215, 350096), (344, 218810), (430, 175048), (688, 109405), (860, 87524), (1720, 43762), (3440, 21881)]