42109860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53987}}^1$

素因数の和:54012

約数の個数: 48

約数和(自身を含む): 126979776

約数和(自身を除く): 84869916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 53987, 107974, 161961, 215948, 269935, 323922, 539870, 647844, 701831, 809805, 1079740, 1403662, 1619610, 2105493, 2807324, 3239220, 3509155, 4210986, 7018310, 8421972, 10527465, 14036620, 21054930, 42109860]

約数ペア:

[(1, 42109860), (2, 21054930), (3, 14036620), (4, 10527465), (5, 8421972), (6, 7018310), (10, 4210986), (12, 3509155), (13, 3239220), (15, 2807324), (20, 2105493), (26, 1619610), (30, 1403662), (39, 1079740), (52, 809805), (60, 701831), (65, 647844), (78, 539870), (130, 323922), (156, 269935), (195, 215948), (260, 161961), (390, 107974), (780, 53987)]