82913840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 202368000

約数和(自身を除く): 119454160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 499, 536, 620, 670, 998, 1072, 1240, 1340, 1996, 2077, 2480, 2495, 2680, 3992, 4154, 4990, 5360, 7984, 8308, 9980, 10385, 15469, 16616, 19960, 20770, 30938, 33232, 33433, 39920, 41540, 61876, 66866, 77345, 83080, 123752, 133732, 154690, 166160, 167165, 247504, 267464, 309380, 334330, 534928, 618760, 668660, 1036423, 1237520, 1337320, 2072846, 2674640, 4145692, 5182115, 8291384, 10364230, 16582768, 20728460, 41456920, 82913840]

約数ペア:

[(1, 82913840), (2, 41456920), (4, 20728460), (5, 16582768), (8, 10364230), (10, 8291384), (16, 5182115), (20, 4145692), (31, 2674640), (40, 2072846), (62, 1337320), (67, 1237520), (80, 1036423), (124, 668660), (134, 618760), (155, 534928), (248, 334330), (268, 309380), (310, 267464), (335, 247504), (496, 167165), (499, 166160), (536, 154690), (620, 133732), (670, 123752), (998, 83080), (1072, 77345), (1240, 66866), (1340, 61876), (1996, 41540), (2077, 39920), (2480, 33433), (2495, 33232), (2680, 30938), (3992, 20770), (4154, 19960), (4990, 16616), (5360, 15469), (7984, 10385), (8308, 9980)]