71321920

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2083}}^1$

素因数の和:2207

約数の個数: 56

約数和(自身を含む): 171504864

約数和(自身を除く): 100182944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2083, 2140, 3424, 4166, 4280, 6848, 8332, 8560, 10415, 16664, 17120, 20830, 33328, 34240, 41660, 66656, 83320, 133312, 166640, 222881, 333280, 445762, 666560, 891524, 1114405, 1783048, 2228810, 3566096, 4457620, 7132192, 8915240, 14264384, 17830480, 35660960, 71321920]

約数ペア:

[(1, 71321920), (2, 35660960), (4, 17830480), (5, 14264384), (8, 8915240), (10, 7132192), (16, 4457620), (20, 3566096), (32, 2228810), (40, 1783048), (64, 1114405), (80, 891524), (107, 666560), (160, 445762), (214, 333280), (320, 222881), (428, 166640), (535, 133312), (856, 83320), (1070, 66656), (1712, 41660), (2083, 34240), (2140, 33328), (3424, 20830), (4166, 17120), (4280, 16664), (6848, 10415), (8332, 8560)]