2803280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:603

約数の個数: 40

約数和(自身を含む): 6627552

約数和(自身を除く): 3824272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 523, 536, 670, 1046, 1072, 1340, 2092, 2615, 2680, 4184, 5230, 5360, 8368, 10460, 20920, 35041, 41840, 70082, 140164, 175205, 280328, 350410, 560656, 700820, 1401640, 2803280]

約数ペア:

[(1, 2803280), (2, 1401640), (4, 700820), (5, 560656), (8, 350410), (10, 280328), (16, 175205), (20, 140164), (40, 70082), (67, 41840), (80, 35041), (134, 20920), (268, 10460), (335, 8368), (523, 5360), (536, 5230), (670, 4184), (1046, 2680), (1072, 2615), (1340, 2092)]