27885740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1097}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 61979904

約数和(自身を除く): 34094164

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1097, 1271, 2194, 2542, 4388, 5084, 5485, 6355, 10970, 12710, 21940, 25420, 34007, 44977, 68014, 89954, 136028, 170035, 179908, 224885, 340070, 449770, 680140, 899540, 1394287, 2788574, 5577148, 6971435, 13942870, 27885740]

約数ペア:

[(1, 27885740), (2, 13942870), (4, 6971435), (5, 5577148), (10, 2788574), (20, 1394287), (31, 899540), (41, 680140), (62, 449770), (82, 340070), (124, 224885), (155, 179908), (164, 170035), (205, 136028), (310, 89954), (410, 68014), (620, 44977), (820, 34007), (1097, 25420), (1271, 21940), (2194, 12710), (2542, 10970), (4388, 6355), (5084, 5485)]