1401640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 3206880

約数和(自身を除く): 1805240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 523, 536, 670, 1046, 1340, 2092, 2615, 2680, 4184, 5230, 10460, 20920, 35041, 70082, 140164, 175205, 280328, 350410, 700820, 1401640]

約数ペア:

[(1, 1401640), (2, 700820), (4, 350410), (5, 280328), (8, 175205), (10, 140164), (20, 70082), (40, 35041), (67, 20920), (134, 10460), (268, 5230), (335, 4184), (523, 2680), (536, 2615), (670, 2092), (1046, 1340)]