11489920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1413

約数の個数: 64

約数和(自身を含む): 29602440

約数和(自身を除く): 18112520

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, 1381, 1664, 2080, 2762, 4160, 5524, 6905, 8320, 11048, 13810, 17953, 22096, 27620, 35906, 44192, 55240, 71812, 88384, 89765, 110480, 143624, 176768, 179530, 220960, 287248, 359060, 441920, 574496, 718120, 883840, 1148992, 1436240, 2297984, 2872480, 5744960, 11489920]

約数ペア:

[(1, 11489920), (2, 5744960), (4, 2872480), (5, 2297984), (8, 1436240), (10, 1148992), (13, 883840), (16, 718120), (20, 574496), (26, 441920), (32, 359060), (40, 287248), (52, 220960), (64, 179530), (65, 176768), (80, 143624), (104, 110480), (128, 89765), (130, 88384), (160, 71812), (208, 55240), (260, 44192), (320, 35906), (416, 27620), (520, 22096), (640, 17953), (832, 13810), (1040, 11048), (1381, 8320), (1664, 6905), (2080, 5524), (2762, 4160)]