90838520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{27361}}^1$

素因数の和:27455

約数の個数: 32

約数和(自身を含む): 206856720

約数和(自身を除く): 116018200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 27361, 54722, 109444, 136805, 218888, 273610, 547220, 1094440, 2270963, 4541926, 9083852, 11354815, 18167704, 22709630, 45419260, 90838520]

約数ペア:

[(1, 90838520), (2, 45419260), (4, 22709630), (5, 18167704), (8, 11354815), (10, 9083852), (20, 4541926), (40, 2270963), (83, 1094440), (166, 547220), (332, 273610), (415, 218888), (664, 136805), (830, 109444), (1660, 54722), (3320, 27361)]