25267580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 57600480

約数和(自身を除く): 32332900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 619, 628, 785, 1238, 1570, 2041, 2476, 3095, 3140, 4082, 6190, 8047, 8164, 10205, 12380, 16094, 20410, 32188, 40235, 40820, 80470, 97183, 160940, 194366, 388732, 485915, 971830, 1263379, 1943660, 2526758, 5053516, 6316895, 12633790, 25267580]

約数ペア:

[(1, 25267580), (2, 12633790), (4, 6316895), (5, 5053516), (10, 2526758), (13, 1943660), (20, 1263379), (26, 971830), (52, 485915), (65, 388732), (130, 194366), (157, 160940), (260, 97183), (314, 80470), (619, 40820), (628, 40235), (785, 32188), (1238, 20410), (1570, 16094), (2041, 12380), (2476, 10205), (3095, 8164), (3140, 8047), (4082, 6190)]