8619440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 20193648

約数和(自身を除く): 11574208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 661, 815, 1304, 1322, 1630, 2608, 2644, 3260, 3305, 5288, 6520, 6610, 10576, 13040, 13220, 26440, 52880, 107743, 215486, 430972, 538715, 861944, 1077430, 1723888, 2154860, 4309720, 8619440]

約数ペア:

[(1, 8619440), (2, 4309720), (4, 2154860), (5, 1723888), (8, 1077430), (10, 861944), (16, 538715), (20, 430972), (40, 215486), (80, 107743), (163, 52880), (326, 26440), (652, 13220), (661, 13040), (815, 10576), (1304, 6610), (1322, 6520), (1630, 5288), (2608, 3305), (2644, 3260)]