12540416

素因数分解:

$2^9\times 7^1\times {\mathrm{3499}}^1$

素因数の和:3524

約数の個数: 40

約数和(自身を含む): 28644000

約数和(自身を除く): 16103584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3499, 3584, 6998, 13996, 24493, 27992, 48986, 55984, 97972, 111968, 195944, 223936, 391888, 447872, 783776, 895744, 1567552, 1791488, 3135104, 6270208, 12540416]

約数ペア:

[(1, 12540416), (2, 6270208), (4, 3135104), (7, 1791488), (8, 1567552), (14, 895744), (16, 783776), (28, 447872), (32, 391888), (56, 223936), (64, 195944), (112, 111968), (128, 97972), (224, 55984), (256, 48986), (448, 27992), (512, 24493), (896, 13996), (1792, 6998), (3499, 3584)]