25775180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 57032640

約数和(自身を除く): 31257460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 409, 460, 548, 685, 818, 1370, 1636, 2045, 2740, 3151, 4090, 6302, 8180, 9407, 12604, 15755, 18814, 31510, 37628, 47035, 56033, 63020, 94070, 112066, 188140, 224132, 280165, 560330, 1120660, 1288759, 2577518, 5155036, 6443795, 12887590, 25775180]

約数ペア:

[(1, 25775180), (2, 12887590), (4, 6443795), (5, 5155036), (10, 2577518), (20, 1288759), (23, 1120660), (46, 560330), (92, 280165), (115, 224132), (137, 188140), (230, 112066), (274, 94070), (409, 63020), (460, 56033), (548, 47035), (685, 37628), (818, 31510), (1370, 18814), (1636, 15755), (2045, 12604), (2740, 9407), (3151, 8180), (4090, 6302)]