109728440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{13001}}^1$

素因数の和:13223

約数の個数: 32

約数和(自身を含む): 248078160

約数和(自身を除く): 138349720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 13001, 26002, 52004, 65005, 104008, 130010, 260020, 520040, 2743211, 5486422, 10972844, 13716055, 21945688, 27432110, 54864220, 109728440]

約数ペア:

[(1, 109728440), (2, 54864220), (4, 27432110), (5, 21945688), (8, 13716055), (10, 10972844), (20, 5486422), (40, 2743211), (211, 520040), (422, 260020), (844, 130010), (1055, 104008), (1688, 65005), (2110, 52004), (4220, 26002), (8440, 13001)]