266236672

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{79999}}^1$

素因数の和:80028

約数の個数: 36

約数和(自身を含む): 572320000

約数和(自身を除く): 306083328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 79999, 159998, 319996, 639992, 1039987, 1279984, 2079974, 2559968, 4159948, 5119936, 8319896, 10239872, 16639792, 20479744, 33279584, 66559168, 133118336, 266236672]

約数ペア:

[(1, 266236672), (2, 133118336), (4, 66559168), (8, 33279584), (13, 20479744), (16, 16639792), (26, 10239872), (32, 8319896), (52, 5119936), (64, 4159948), (104, 2559968), (128, 2079974), (208, 1279984), (256, 1039987), (416, 639992), (832, 319996), (1664, 159998), (3328, 79999)]