23409980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 54232416

約数和(自身を除く): 30822436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1097, 1940, 2134, 2194, 4268, 4388, 5335, 5485, 10670, 10970, 12067, 21340, 21940, 24134, 48268, 60335, 106409, 120670, 212818, 241340, 425636, 532045, 1064090, 1170499, 2128180, 2340998, 4681996, 5852495, 11704990, 23409980]

約数ペア:

[(1, 23409980), (2, 11704990), (4, 5852495), (5, 4681996), (10, 2340998), (11, 2128180), (20, 1170499), (22, 1064090), (44, 532045), (55, 425636), (97, 241340), (110, 212818), (194, 120670), (220, 106409), (388, 60335), (485, 48268), (970, 24134), (1067, 21940), (1097, 21340), (1940, 12067), (2134, 10970), (2194, 10670), (4268, 5485), (4388, 5335)]