2019979840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{203627}}^1$

素因数の和:203675

約数の個数: 56

約数和(自身を含む): 4965265152

約数和(自身を除く): 2945285312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 203627, 407254, 814508, 1018135, 1629016, 2036270, 3258032, 4072540, 6312437, 6516064, 8145080, 12624874, 13032128, 16290160, 25249748, 31562185, 32580320, 50499496, 63124370, 65160640, 100998992, 126248740, 201997984, 252497480, 403995968, 504994960, 1009989920, 2019979840]

約数ペア:

[(1, 2019979840), (2, 1009989920), (4, 504994960), (5, 403995968), (8, 252497480), (10, 201997984), (16, 126248740), (20, 100998992), (31, 65160640), (32, 63124370), (40, 50499496), (62, 32580320), (64, 31562185), (80, 25249748), (124, 16290160), (155, 13032128), (160, 12624874), (248, 8145080), (310, 6516064), (320, 6312437), (496, 4072540), (620, 3258032), (992, 2036270), (1240, 1629016), (1984, 1018135), (2480, 814508), (4960, 407254), (9920, 203627)]