8204240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9323}}^1$

素因数の和:9347

約数の個数: 40

約数和(自身を含む): 20811168

約数和(自身を除く): 12606928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9323, 18646, 37292, 46615, 74584, 93230, 102553, 149168, 186460, 205106, 372920, 410212, 512765, 745840, 820424, 1025530, 1640848, 2051060, 4102120, 8204240]

約数ペア:

[(1, 8204240), (2, 4102120), (4, 2051060), (5, 1640848), (8, 1025530), (10, 820424), (11, 745840), (16, 512765), (20, 410212), (22, 372920), (40, 205106), (44, 186460), (55, 149168), (80, 102553), (88, 93230), (110, 74584), (176, 46615), (220, 37292), (440, 18646), (880, 9323)]