80635390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1109}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 158721120

約数和(自身を除く): 78085730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 661, 1109, 1322, 2218, 3305, 5545, 6610, 7271, 11090, 12199, 14542, 24398, 36355, 60995, 72710, 121990, 733049, 1466098, 3665245, 7330490, 8063539, 16127078, 40317695, 80635390]

約数ペア:

[(1, 80635390), (2, 40317695), (5, 16127078), (10, 8063539), (11, 7330490), (22, 3665245), (55, 1466098), (110, 733049), (661, 121990), (1109, 72710), (1322, 60995), (2218, 36355), (3305, 24398), (5545, 14542), (6610, 12199), (7271, 11090)]