2016164720

素因数分解:

$2^4\times 5^1\times {\mathrm{2417}}^1\times {\mathrm{10427}}^1$

素因数の和:12857

約数の個数: 40

約数和(自身を含む): 4689972144

約数和(自身を除く): 2673807424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2417, 4834, 9668, 10427, 12085, 19336, 20854, 24170, 38672, 41708, 48340, 52135, 83416, 96680, 104270, 166832, 193360, 208540, 417080, 834160, 25202059, 50404118, 100808236, 126010295, 201616472, 252020590, 403232944, 504041180, 1008082360, 2016164720]

約数ペア:

[(1, 2016164720), (2, 1008082360), (4, 504041180), (5, 403232944), (8, 252020590), (10, 201616472), (16, 126010295), (20, 100808236), (40, 50404118), (80, 25202059), (2417, 834160), (4834, 417080), (9668, 208540), (10427, 193360), (12085, 166832), (19336, 104270), (20854, 96680), (24170, 83416), (38672, 52135), (41708, 48340)]