55940120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 131155200

約数和(自身を除く): 75215080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 229, 248, 310, 394, 458, 620, 788, 916, 985, 1145, 1240, 1576, 1832, 1970, 2290, 3940, 4580, 6107, 7099, 7880, 9160, 12214, 14198, 24428, 28396, 30535, 35495, 45113, 48856, 56792, 61070, 70990, 90226, 122140, 141980, 180452, 225565, 244280, 283960, 360904, 451130, 902260, 1398503, 1804520, 2797006, 5594012, 6992515, 11188024, 13985030, 27970060, 55940120]

約数ペア:

[(1, 55940120), (2, 27970060), (4, 13985030), (5, 11188024), (8, 6992515), (10, 5594012), (20, 2797006), (31, 1804520), (40, 1398503), (62, 902260), (124, 451130), (155, 360904), (197, 283960), (229, 244280), (248, 225565), (310, 180452), (394, 141980), (458, 122140), (620, 90226), (788, 70990), (916, 61070), (985, 56792), (1145, 48856), (1240, 45113), (1576, 35495), (1832, 30535), (1970, 28396), (2290, 24428), (3940, 14198), (4580, 12214), (6107, 9160), (7099, 7880)]