1645060

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 3499776

約数和(自身を除く): 1854716

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 991, 1660, 1982, 3964, 4955, 9910, 19820, 82253, 164506, 329012, 411265, 822530, 1645060]

約数ペア:

[(1, 1645060), (2, 822530), (4, 411265), (5, 329012), (10, 164506), (20, 82253), (83, 19820), (166, 9910), (332, 4955), (415, 3964), (830, 1982), (991, 1660)]