16776520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2129}}^1$

素因数の和:2337

約数の個数: 32

約数和(自身を含む): 37956600

約数和(自身を除く): 21180080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2129, 3940, 4258, 7880, 8516, 10645, 17032, 21290, 42580, 85160, 419413, 838826, 1677652, 2097065, 3355304, 4194130, 8388260, 16776520]

約数ペア:

[(1, 16776520), (2, 8388260), (4, 4194130), (5, 3355304), (8, 2097065), (10, 1677652), (20, 838826), (40, 419413), (197, 85160), (394, 42580), (788, 21290), (985, 17032), (1576, 10645), (1970, 8516), (2129, 7880), (3940, 4258)]