2162420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8339

約数の個数: 24

約数和(自身を含む): 4890984

約数和(自身を除く): 2728564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8317, 16634, 33268, 41585, 83170, 108121, 166340, 216242, 432484, 540605, 1081210, 2162420]

約数ペア:

[(1, 2162420), (2, 1081210), (4, 540605), (5, 432484), (10, 216242), (13, 166340), (20, 108121), (26, 83170), (52, 41585), (65, 33268), (130, 16634), (260, 8317)]