25930490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42509}}^1$

素因数の和:42577

約数の個数: 16

約数和(自身を含む): 47441160

約数和(自身を除く): 21510670

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 42509, 85018, 212545, 425090, 2593049, 5186098, 12965245, 25930490]

約数ペア:

[(1, 25930490), (2, 12965245), (5, 5186098), (10, 2593049), (61, 425090), (122, 212545), (305, 85018), (610, 42509)]