216099440

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{4201}}^1$

素因数の和:4857

約数の個数: 40

約数和(自身を含む): 503332368

約数和(自身を除く): 287232928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 4201, 5144, 6430, 8402, 10288, 12860, 16804, 21005, 25720, 33608, 42010, 51440, 67216, 84020, 168040, 336080, 2701243, 5402486, 10804972, 13506215, 21609944, 27012430, 43219888, 54024860, 108049720, 216099440]

約数ペア:

[(1, 216099440), (2, 108049720), (4, 54024860), (5, 43219888), (8, 27012430), (10, 21609944), (16, 13506215), (20, 10804972), (40, 5402486), (80, 2701243), (643, 336080), (1286, 168040), (2572, 84020), (3215, 67216), (4201, 51440), (5144, 42010), (6430, 33608), (8402, 25720), (10288, 21005), (12860, 16804)]