55845880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 134265600

約数和(自身を除く): 78419720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1553, 1798, 3106, 3596, 4495, 6212, 7192, 7765, 8990, 12424, 15530, 17980, 31060, 35960, 45037, 48143, 62120, 90074, 96286, 180148, 192572, 225185, 240715, 360296, 385144, 450370, 481430, 900740, 962860, 1396147, 1801480, 1925720, 2792294, 5584588, 6980735, 11169176, 13961470, 27922940, 55845880]

約数ペア:

[(1, 55845880), (2, 27922940), (4, 13961470), (5, 11169176), (8, 6980735), (10, 5584588), (20, 2792294), (29, 1925720), (31, 1801480), (40, 1396147), (58, 962860), (62, 900740), (116, 481430), (124, 450370), (145, 385144), (155, 360296), (232, 240715), (248, 225185), (290, 192572), (310, 180148), (580, 96286), (620, 90074), (899, 62120), (1160, 48143), (1240, 45037), (1553, 35960), (1798, 31060), (3106, 17980), (3596, 15530), (4495, 12424), (6212, 8990), (7192, 7765)]