25435540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97829}}^1$

素因数の和:97851

約数の個数: 24

約数和(自身を含む): 57524040

約数和(自身を除く): 32088500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97829, 195658, 391316, 489145, 978290, 1271777, 1956580, 2543554, 5087108, 6358885, 12717770, 25435540]

約数ペア:

[(1, 25435540), (2, 12717770), (4, 6358885), (5, 5087108), (10, 2543554), (13, 1956580), (20, 1271777), (26, 978290), (52, 489145), (65, 391316), (130, 195658), (260, 97829)]