8012420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30817}}^1$

素因数の和:30839

約数の個数: 24

約数和(自身を含む): 18120984

約数和(自身を除く): 10108564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30817, 61634, 123268, 154085, 308170, 400621, 616340, 801242, 1602484, 2003105, 4006210, 8012420]

約数ペア:

[(1, 8012420), (2, 4006210), (4, 2003105), (5, 1602484), (10, 801242), (13, 616340), (20, 400621), (26, 308170), (52, 154085), (65, 123268), (130, 61634), (260, 30817)]