2154521920

素因数分解:

$2^6\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{5701}}^1$

素因数の和:6899

約数の個数: 56

約数和(自身を含む): 5135700168

約数和(自身を除く): 2981178248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1181, 2362, 4724, 5701, 5905, 9448, 11402, 11810, 18896, 22804, 23620, 28505, 37792, 45608, 47240, 57010, 75584, 91216, 94480, 114020, 182432, 188960, 228040, 364864, 377920, 456080, 912160, 1824320, 6732881, 13465762, 26931524, 33664405, 53863048, 67328810, 107726096, 134657620, 215452192, 269315240, 430904384, 538630480, 1077260960, 2154521920]

約数ペア:

[(1, 2154521920), (2, 1077260960), (4, 538630480), (5, 430904384), (8, 269315240), (10, 215452192), (16, 134657620), (20, 107726096), (32, 67328810), (40, 53863048), (64, 33664405), (80, 26931524), (160, 13465762), (320, 6732881), (1181, 1824320), (2362, 912160), (4724, 456080), (5701, 377920), (5905, 364864), (9448, 228040), (11402, 188960), (11810, 182432), (18896, 114020), (22804, 94480), (23620, 91216), (28505, 75584), (37792, 57010), (45608, 47240)]