54532720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2054

約数の個数: 80

約数和(自身を含む): 142848000

約数和(自身を除く): 88315280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 1999, 2480, 2728, 3410, 3998, 5456, 6820, 7996, 9995, 13640, 15992, 19990, 21989, 27280, 31984, 39980, 43978, 61969, 79960, 87956, 109945, 123938, 159920, 175912, 219890, 247876, 309845, 351824, 439780, 495752, 619690, 681659, 879560, 991504, 1239380, 1363318, 1759120, 2478760, 2726636, 3408295, 4957520, 5453272, 6816590, 10906544, 13633180, 27266360, 54532720]

約数ペア:

[(1, 54532720), (2, 27266360), (4, 13633180), (5, 10906544), (8, 6816590), (10, 5453272), (11, 4957520), (16, 3408295), (20, 2726636), (22, 2478760), (31, 1759120), (40, 1363318), (44, 1239380), (55, 991504), (62, 879560), (80, 681659), (88, 619690), (110, 495752), (124, 439780), (155, 351824), (176, 309845), (220, 247876), (248, 219890), (310, 175912), (341, 159920), (440, 123938), (496, 109945), (620, 87956), (682, 79960), (880, 61969), (1240, 43978), (1364, 39980), (1705, 31984), (1999, 27280), (2480, 21989), (2728, 19990), (3410, 15992), (3998, 13640), (5456, 9995), (6820, 7996)]