25723750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1618

約数の個数: 40

約数和(自身を含む): 51958368

約数和(自身を除く): 26234618

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1583, 1625, 3166, 3250, 7915, 8125, 15830, 16250, 20579, 39575, 41158, 79150, 102895, 197875, 205790, 395750, 514475, 989375, 1028950, 1978750, 2572375, 5144750, 12861875, 25723750]

約数ペア:

[(1, 25723750), (2, 12861875), (5, 5144750), (10, 2572375), (13, 1978750), (25, 1028950), (26, 989375), (50, 514475), (65, 395750), (125, 205790), (130, 197875), (250, 102895), (325, 79150), (625, 41158), (650, 39575), (1250, 20579), (1583, 16250), (1625, 15830), (3166, 8125), (3250, 7915)]