10521920

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 25347168

約数和(自身を除く): 14825248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 251, 262, 320, 502, 524, 655, 1004, 1048, 1255, 1310, 2008, 2096, 2510, 2620, 4016, 4192, 5020, 5240, 8032, 8384, 10040, 10480, 16064, 20080, 20960, 32881, 40160, 41920, 65762, 80320, 131524, 164405, 263048, 328810, 526096, 657620, 1052192, 1315240, 2104384, 2630480, 5260960, 10521920]

約数ペア:

[(1, 10521920), (2, 5260960), (4, 2630480), (5, 2104384), (8, 1315240), (10, 1052192), (16, 657620), (20, 526096), (32, 328810), (40, 263048), (64, 164405), (80, 131524), (131, 80320), (160, 65762), (251, 41920), (262, 40160), (320, 32881), (502, 20960), (524, 20080), (655, 16064), (1004, 10480), (1048, 10040), (1255, 8384), (1310, 8032), (2008, 5240), (2096, 5020), (2510, 4192), (2620, 4016)]