4637680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 11160000

約数和(自身を除く): 6522320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 1999, 2320, 3998, 7996, 9995, 15992, 19990, 31984, 39980, 57971, 79960, 115942, 159920, 231884, 289855, 463768, 579710, 927536, 1159420, 2318840, 4637680]

約数ペア:

[(1, 4637680), (2, 2318840), (4, 1159420), (5, 927536), (8, 579710), (10, 463768), (16, 289855), (20, 231884), (29, 159920), (40, 115942), (58, 79960), (80, 57971), (116, 39980), (145, 31984), (232, 19990), (290, 15992), (464, 9995), (580, 7996), (1160, 3998), (1999, 2320)]