42858560

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2083

約数の個数: 56

約数和(自身を含む): 103632000

約数和(自身を除く): 60773440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 1999, 2144, 2680, 3998, 4288, 5360, 7996, 9995, 10720, 15992, 19990, 21440, 31984, 39980, 63968, 79960, 127936, 133933, 159920, 267866, 319840, 535732, 639680, 669665, 1071464, 1339330, 2142928, 2678660, 4285856, 5357320, 8571712, 10714640, 21429280, 42858560]

約数ペア:

[(1, 42858560), (2, 21429280), (4, 10714640), (5, 8571712), (8, 5357320), (10, 4285856), (16, 2678660), (20, 2142928), (32, 1339330), (40, 1071464), (64, 669665), (67, 639680), (80, 535732), (134, 319840), (160, 267866), (268, 159920), (320, 133933), (335, 127936), (536, 79960), (670, 63968), (1072, 39980), (1340, 31984), (1999, 21440), (2144, 19990), (2680, 15992), (3998, 10720), (4288, 9995), (5360, 7996)]