38344540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 87423840

約数和(自身を除く): 49079300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1061, 1390, 1807, 2122, 2780, 3614, 4244, 5305, 7228, 9035, 10610, 13793, 18070, 21220, 27586, 36140, 55172, 68965, 137930, 147479, 275860, 294958, 589916, 737395, 1474790, 1917227, 2949580, 3834454, 7668908, 9586135, 19172270, 38344540]

約数ペア:

[(1, 38344540), (2, 19172270), (4, 9586135), (5, 7668908), (10, 3834454), (13, 2949580), (20, 1917227), (26, 1474790), (52, 737395), (65, 589916), (130, 294958), (139, 275860), (260, 147479), (278, 137930), (556, 68965), (695, 55172), (1061, 36140), (1390, 27586), (1807, 21220), (2122, 18070), (2780, 13793), (3614, 10610), (4244, 9035), (5305, 7228)]