42360020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 94203648

約数和(自身を除く): 51843628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 710, 1297, 1420, 1633, 2594, 3266, 5188, 6485, 6532, 8165, 12970, 16330, 25940, 29831, 32660, 59662, 92087, 119324, 149155, 184174, 298310, 368348, 460435, 596620, 920870, 1841740, 2118001, 4236002, 8472004, 10590005, 21180010, 42360020]

約数ペア:

[(1, 42360020), (2, 21180010), (4, 10590005), (5, 8472004), (10, 4236002), (20, 2118001), (23, 1841740), (46, 920870), (71, 596620), (92, 460435), (115, 368348), (142, 298310), (230, 184174), (284, 149155), (355, 119324), (460, 92087), (710, 59662), (1297, 32660), (1420, 29831), (1633, 25940), (2594, 16330), (3266, 12970), (5188, 8165), (6485, 6532)]