27943120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8123}}^1$

素因数の和:8179

約数の個数: 40

約数和(自身を含む): 66486816

約数和(自身を除く): 38543696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 324920, 349289, 649840, 698578, 1397156, 1746445, 2794312, 3492890, 5588624, 6985780, 13971560, 27943120]

約数ペア:

[(1, 27943120), (2, 13971560), (4, 6985780), (5, 5588624), (8, 3492890), (10, 2794312), (16, 1746445), (20, 1397156), (40, 698578), (43, 649840), (80, 349289), (86, 324920), (172, 162460), (215, 129968), (344, 81230), (430, 64984), (688, 40615), (860, 32492), (1720, 16246), (3440, 8123)]