80026280

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2473}}^1$

素因数の和:3293

約数の個数: 32

約数和(自身を含む): 180354600

約数和(自身を除く): 100328320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2473, 3236, 4045, 4946, 6472, 8090, 9892, 12365, 16180, 19784, 24730, 32360, 49460, 98920, 2000657, 4001314, 8002628, 10003285, 16005256, 20006570, 40013140, 80026280]

約数ペア:

[(1, 80026280), (2, 40013140), (4, 20006570), (5, 16005256), (8, 10003285), (10, 8002628), (20, 4001314), (40, 2000657), (809, 98920), (1618, 49460), (2473, 32360), (3236, 24730), (4045, 19784), (4946, 16180), (6472, 12365), (8090, 9892)]