81220820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9293}}^1$

素因数の和:9344

約数の個数: 48

約数和(自身を含む): 187367040

約数和(自身を除く): 106146220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 9293, 18586, 37172, 46465, 92930, 176567, 185860, 213739, 353134, 427478, 706268, 854956, 882835, 1068695, 1765670, 2137390, 3531340, 4061041, 4274780, 8122082, 16244164, 20305205, 40610410, 81220820]

約数ペア:

[(1, 81220820), (2, 40610410), (4, 20305205), (5, 16244164), (10, 8122082), (19, 4274780), (20, 4061041), (23, 3531340), (38, 2137390), (46, 1765670), (76, 1068695), (92, 882835), (95, 854956), (115, 706268), (190, 427478), (230, 353134), (380, 213739), (437, 185860), (460, 176567), (874, 92930), (1748, 46465), (2185, 37172), (4370, 18586), (8740, 9293)]