13042540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1579}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 31852800

約数和(自身を除く): 18810260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1579, 1652, 2065, 3158, 4130, 6316, 7895, 8260, 11053, 15790, 22106, 31580, 44212, 55265, 93161, 110530, 186322, 221060, 372644, 465805, 652127, 931610, 1304254, 1863220, 2608508, 3260635, 6521270, 13042540]

約数ペア:

[(1, 13042540), (2, 6521270), (4, 3260635), (5, 2608508), (7, 1863220), (10, 1304254), (14, 931610), (20, 652127), (28, 465805), (35, 372644), (59, 221060), (70, 186322), (118, 110530), (140, 93161), (236, 55265), (295, 44212), (413, 31580), (590, 22106), (826, 15790), (1180, 11053), (1579, 8260), (1652, 7895), (2065, 6316), (3158, 4130)]