55263080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 131604480

約数和(自身を除く): 76341400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1087, 1240, 1271, 1640, 2174, 2542, 4348, 5084, 5435, 6355, 8696, 10168, 10870, 12710, 21740, 25420, 33697, 43480, 44567, 50840, 67394, 89134, 134788, 168485, 178268, 222835, 269576, 336970, 356536, 445670, 673940, 891340, 1347880, 1381577, 1782680, 2763154, 5526308, 6907885, 11052616, 13815770, 27631540, 55263080]

約数ペア:

[(1, 55263080), (2, 27631540), (4, 13815770), (5, 11052616), (8, 6907885), (10, 5526308), (20, 2763154), (31, 1782680), (40, 1381577), (41, 1347880), (62, 891340), (82, 673940), (124, 445670), (155, 356536), (164, 336970), (205, 269576), (248, 222835), (310, 178268), (328, 168485), (410, 134788), (620, 89134), (820, 67394), (1087, 50840), (1240, 44567), (1271, 43480), (1640, 33697), (2174, 25420), (2542, 21740), (4348, 12710), (5084, 10870), (5435, 10168), (6355, 8696)]