17884240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20323}}^1$

素因数の和:20347

約数の個数: 40

約数和(自身を含む): 45363168

約数和(自身を除く): 27478928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20323, 40646, 81292, 101615, 162584, 203230, 223553, 325168, 406460, 447106, 812920, 894212, 1117765, 1625840, 1788424, 2235530, 3576848, 4471060, 8942120, 17884240]

約数ペア:

[(1, 17884240), (2, 8942120), (4, 4471060), (5, 3576848), (8, 2235530), (10, 1788424), (11, 1625840), (16, 1117765), (20, 894212), (22, 812920), (40, 447106), (44, 406460), (55, 325168), (80, 223553), (88, 203230), (110, 162584), (176, 101615), (220, 81292), (440, 40646), (880, 20323)]