54679940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5501}}^1$

素因数の和:5588

約数の個数: 48

約数和(自身を含む): 133104384

約数和(自身を除く): 78424444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5501, 9940, 11002, 22004, 27505, 38507, 55010, 77014, 110020, 154028, 192535, 385070, 390571, 770140, 781142, 1562284, 1952855, 2733997, 3905710, 5467994, 7811420, 10935988, 13669985, 27339970, 54679940]

約数ペア:

[(1, 54679940), (2, 27339970), (4, 13669985), (5, 10935988), (7, 7811420), (10, 5467994), (14, 3905710), (20, 2733997), (28, 1952855), (35, 1562284), (70, 781142), (71, 770140), (140, 390571), (142, 385070), (284, 192535), (355, 154028), (497, 110020), (710, 77014), (994, 55010), (1420, 38507), (1988, 27505), (2485, 22004), (4970, 11002), (5501, 9940)]