2017201840

素因数分解:

$2^4\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{20719}}^1$

素因数の和:21949

約数の個数: 40

約数和(自身を含む): 4694074560

約数和(自身を除く): 2676872720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1217, 2434, 4868, 6085, 9736, 12170, 19472, 20719, 24340, 41438, 48680, 82876, 97360, 103595, 165752, 207190, 331504, 414380, 828760, 1657520, 25215023, 50430046, 100860092, 126075115, 201720184, 252150230, 403440368, 504300460, 1008600920, 2017201840]

約数ペア:

[(1, 2017201840), (2, 1008600920), (4, 504300460), (5, 403440368), (8, 252150230), (10, 201720184), (16, 126075115), (20, 100860092), (40, 50430046), (80, 25215023), (1217, 1657520), (2434, 828760), (4868, 414380), (6085, 331504), (9736, 207190), (12170, 165752), (19472, 103595), (20719, 97360), (24340, 82876), (41438, 48680)]