38813920

素因数分解:

$2^5\times 5^1\times {\mathrm{367}}^1\times {\mathrm{661}}^1$

素因数の和:1043

約数の個数: 48

約数和(自身を含む): 92086848

約数和(自身を除く): 53272928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 367, 661, 734, 1322, 1468, 1835, 2644, 2936, 3305, 3670, 5288, 5872, 6610, 7340, 10576, 11744, 13220, 14680, 21152, 26440, 29360, 52880, 58720, 105760, 242587, 485174, 970348, 1212935, 1940696, 2425870, 3881392, 4851740, 7762784, 9703480, 19406960, 38813920]

約数ペア:

[(1, 38813920), (2, 19406960), (4, 9703480), (5, 7762784), (8, 4851740), (10, 3881392), (16, 2425870), (20, 1940696), (32, 1212935), (40, 970348), (80, 485174), (160, 242587), (367, 105760), (661, 58720), (734, 52880), (1322, 29360), (1468, 26440), (1835, 21152), (2644, 14680), (2936, 13220), (3305, 11744), (3670, 10576), (5288, 7340), (5872, 6610)]