13645000

素因数分解:

$2^3\times 5^4\times {\mathrm{2729}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 31981950

約数和(自身を除く): 18336950

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 2729, 5000, 5458, 10916, 13645, 21832, 27290, 54580, 68225, 109160, 136450, 272900, 341125, 545800, 682250, 1364500, 1705625, 2729000, 3411250, 6822500, 13645000]

約数ペア:

[(1, 13645000), (2, 6822500), (4, 3411250), (5, 2729000), (8, 1705625), (10, 1364500), (20, 682250), (25, 545800), (40, 341125), (50, 272900), (100, 136450), (125, 109160), (200, 68225), (250, 54580), (500, 27290), (625, 21832), (1000, 13645), (1250, 10916), (2500, 5458), (2729, 5000)]