16385380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 21717020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1049, 1420, 1562, 2098, 3124, 3905, 4196, 5245, 7810, 10490, 11539, 15620, 20980, 23078, 46156, 57695, 74479, 115390, 148958, 230780, 297916, 372395, 744790, 819269, 1489580, 1638538, 3277076, 4096345, 8192690, 16385380]

約数ペア:

[(1, 16385380), (2, 8192690), (4, 4096345), (5, 3277076), (10, 1638538), (11, 1489580), (20, 819269), (22, 744790), (44, 372395), (55, 297916), (71, 230780), (110, 148958), (142, 115390), (220, 74479), (284, 57695), (355, 46156), (710, 23078), (781, 20980), (1049, 15620), (1420, 11539), (1562, 10490), (2098, 7810), (3124, 5245), (3905, 4196)]