42227840

素因数分解:

$2^7\times 5^1\times {\mathrm{65981}}^1$

素因数の和:66000

約数の個数: 32

約数和(自身を含む): 100952460

約数和(自身を除く): 58724620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 65981, 131962, 263924, 329905, 527848, 659810, 1055696, 1319620, 2111392, 2639240, 4222784, 5278480, 8445568, 10556960, 21113920, 42227840]

約数ペア:

[(1, 42227840), (2, 21113920), (4, 10556960), (5, 8445568), (8, 5278480), (10, 4222784), (16, 2639240), (20, 2111392), (32, 1319620), (40, 1055696), (64, 659810), (80, 527848), (128, 329905), (160, 263924), (320, 131962), (640, 65981)]