2057091880

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{28087}}^1$

素因数の和:29929

約数の個数: 32

約数和(自身を含む): 4631149440

約数和(自身を除く): 2574057560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662, 7324, 9155, 14648, 18310, 28087, 36620, 56174, 73240, 112348, 140435, 224696, 280870, 561740, 1123480, 51427297, 102854594, 205709188, 257136485, 411418376, 514272970, 1028545940, 2057091880]

約数ペア:

[(1, 2057091880), (2, 1028545940), (4, 514272970), (5, 411418376), (8, 257136485), (10, 205709188), (20, 102854594), (40, 51427297), (1831, 1123480), (3662, 561740), (7324, 280870), (9155, 224696), (14648, 140435), (18310, 112348), (28087, 73240), (36620, 56174)]