80025440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1176

約数の個数: 96

約数和(自身を含む): 211468320

約数和(自身を除く): 131442880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 820, 880, 902, 1109, 1312, 1640, 1760, 1804, 2218, 2255, 3280, 3608, 4436, 4510, 5545, 6560, 7216, 8872, 9020, 11090, 12199, 14432, 17744, 18040, 22180, 24398, 35488, 36080, 44360, 45469, 48796, 60995, 72160, 88720, 90938, 97592, 121990, 177440, 181876, 195184, 227345, 243980, 363752, 390368, 454690, 487960, 500159, 727504, 909380, 975920, 1000318, 1455008, 1818760, 1951840, 2000636, 2500795, 3637520, 4001272, 5001590, 7275040, 8002544, 10003180, 16005088, 20006360, 40012720, 80025440]

約数ペア:

[(1, 80025440), (2, 40012720), (4, 20006360), (5, 16005088), (8, 10003180), (10, 8002544), (11, 7275040), (16, 5001590), (20, 4001272), (22, 3637520), (32, 2500795), (40, 2000636), (41, 1951840), (44, 1818760), (55, 1455008), (80, 1000318), (82, 975920), (88, 909380), (110, 727504), (160, 500159), (164, 487960), (176, 454690), (205, 390368), (220, 363752), (328, 243980), (352, 227345), (410, 195184), (440, 181876), (451, 177440), (656, 121990), (820, 97592), (880, 90938), (902, 88720), (1109, 72160), (1312, 60995), (1640, 48796), (1760, 45469), (1804, 44360), (2218, 36080), (2255, 35488), (3280, 24398), (3608, 22180), (4436, 18040), (4510, 17744), (5545, 14432), (6560, 12199), (7216, 11090), (8872, 9020)]