12875980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49523}}^1$

素因数の和:49545

約数の個数: 24

約数和(自身を含む): 29120112

約数和(自身を除く): 16244132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49523, 99046, 198092, 247615, 495230, 643799, 990460, 1287598, 2575196, 3218995, 6437990, 12875980]

約数ペア:

[(1, 12875980), (2, 6437990), (4, 3218995), (5, 2575196), (10, 1287598), (13, 990460), (20, 643799), (26, 495230), (52, 247615), (65, 198092), (130, 99046), (260, 49523)]