38681920

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1235

約数の個数: 56

約数和(自身を含む): 93040200

約数和(自身を除く): 54358280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1109, 1744, 2180, 2218, 3488, 4360, 4436, 5545, 6976, 8720, 8872, 11090, 17440, 17744, 22180, 34880, 35488, 44360, 70976, 88720, 120881, 177440, 241762, 354880, 483524, 604405, 967048, 1208810, 1934096, 2417620, 3868192, 4835240, 7736384, 9670480, 19340960, 38681920]

約数ペア:

[(1, 38681920), (2, 19340960), (4, 9670480), (5, 7736384), (8, 4835240), (10, 3868192), (16, 2417620), (20, 1934096), (32, 1208810), (40, 967048), (64, 604405), (80, 483524), (109, 354880), (160, 241762), (218, 177440), (320, 120881), (436, 88720), (545, 70976), (872, 44360), (1090, 35488), (1109, 34880), (1744, 22180), (2180, 17744), (2218, 17440), (3488, 11090), (4360, 8872), (4436, 8720), (5545, 6976)]