11639680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 29988000

約数和(自身を除く): 18348320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1399, 1664, 2080, 2798, 4160, 5596, 6995, 8320, 11192, 13990, 18187, 22384, 27980, 36374, 44768, 55960, 72748, 89536, 90935, 111920, 145496, 179072, 181870, 223840, 290992, 363740, 447680, 581984, 727480, 895360, 1163968, 1454960, 2327936, 2909920, 5819840, 11639680]

約数ペア:

[(1, 11639680), (2, 5819840), (4, 2909920), (5, 2327936), (8, 1454960), (10, 1163968), (13, 895360), (16, 727480), (20, 581984), (26, 447680), (32, 363740), (40, 290992), (52, 223840), (64, 181870), (65, 179072), (80, 145496), (104, 111920), (128, 90935), (130, 89536), (160, 72748), (208, 55960), (260, 44768), (320, 36374), (416, 27980), (520, 22384), (640, 18187), (832, 13990), (1040, 11192), (1399, 8320), (1664, 6995), (2080, 5596), (2798, 4160)]