15771440

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 36961920

約数和(自身を除く): 21190480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1439, 2192, 2740, 2878, 5480, 5756, 7195, 10960, 11512, 14390, 23024, 28780, 57560, 115120, 197143, 394286, 788572, 985715, 1577144, 1971430, 3154288, 3942860, 7885720, 15771440]

約数ペア:

[(1, 15771440), (2, 7885720), (4, 3942860), (5, 3154288), (8, 1971430), (10, 1577144), (16, 985715), (20, 788572), (40, 394286), (80, 197143), (137, 115120), (274, 57560), (548, 28780), (685, 23024), (1096, 14390), (1370, 11512), (1439, 10960), (2192, 7195), (2740, 5756), (2878, 5480)]