89980040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77569}}^1$

素因数の和:77609

約数の個数: 32

約数和(自身を含む): 209439000

約数和(自身を除く): 119458960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 77569, 155138, 310276, 387845, 620552, 775690, 1551380, 2249501, 3102760, 4499002, 8998004, 11247505, 17996008, 22495010, 44990020, 89980040]

約数ペア:

[(1, 89980040), (2, 44990020), (4, 22495010), (5, 17996008), (8, 11247505), (10, 8998004), (20, 4499002), (29, 3102760), (40, 2249501), (58, 1551380), (116, 775690), (145, 620552), (232, 387845), (290, 310276), (580, 155138), (1160, 77569)]