12562420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2543}}^1$

素因数の和:2584

約数の個数: 48

約数和(自身を含む): 29917440

約数和(自身を除く): 17355020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2543, 4940, 5086, 10172, 12715, 25430, 33059, 48317, 50860, 66118, 96634, 132236, 165295, 193268, 241585, 330590, 483170, 628121, 661180, 966340, 1256242, 2512484, 3140605, 6281210, 12562420]

約数ペア:

[(1, 12562420), (2, 6281210), (4, 3140605), (5, 2512484), (10, 1256242), (13, 966340), (19, 661180), (20, 628121), (26, 483170), (38, 330590), (52, 241585), (65, 193268), (76, 165295), (95, 132236), (130, 96634), (190, 66118), (247, 50860), (260, 48317), (380, 33059), (494, 25430), (988, 12715), (1235, 10172), (2470, 5086), (2543, 4940)]