77271220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9587}}^1$

素因数の和:9640

約数の個数: 48

約数和(自身を含む): 180407808

約数和(自身を除く): 103136588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9587, 19174, 38348, 47935, 95870, 124631, 191740, 249262, 297197, 498524, 594394, 623155, 1188788, 1246310, 1485985, 2492620, 2971970, 3863561, 5943940, 7727122, 15454244, 19317805, 38635610, 77271220]

約数ペア:

[(1, 77271220), (2, 38635610), (4, 19317805), (5, 15454244), (10, 7727122), (13, 5943940), (20, 3863561), (26, 2971970), (31, 2492620), (52, 1485985), (62, 1246310), (65, 1188788), (124, 623155), (130, 594394), (155, 498524), (260, 297197), (310, 249262), (403, 191740), (620, 124631), (806, 95870), (1612, 47935), (2015, 38348), (4030, 19174), (8060, 9587)]