53788880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3413}}^1$

素因数の和:3623

約数の個数: 40

約数和(自身を含む): 125730792

約数和(自身を除く): 71941912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3413, 3940, 6826, 7880, 13652, 15760, 17065, 27304, 34130, 54608, 68260, 136520, 273040, 672361, 1344722, 2689444, 3361805, 5378888, 6723610, 10757776, 13447220, 26894440, 53788880]

約数ペア:

[(1, 53788880), (2, 26894440), (4, 13447220), (5, 10757776), (8, 6723610), (10, 5378888), (16, 3361805), (20, 2689444), (40, 1344722), (80, 672361), (197, 273040), (394, 136520), (788, 68260), (985, 54608), (1576, 34130), (1970, 27304), (3152, 17065), (3413, 15760), (3940, 13652), (6826, 7880)]