25372640

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 60247152

約数和(自身を除く): 34874512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 457, 694, 914, 1388, 1735, 1828, 2285, 2776, 3470, 3656, 4570, 5552, 6940, 7312, 9140, 11104, 13880, 14624, 18280, 27760, 36560, 55520, 73120, 158579, 317158, 634316, 792895, 1268632, 1585790, 2537264, 3171580, 5074528, 6343160, 12686320, 25372640]

約数ペア:

[(1, 25372640), (2, 12686320), (4, 6343160), (5, 5074528), (8, 3171580), (10, 2537264), (16, 1585790), (20, 1268632), (32, 792895), (40, 634316), (80, 317158), (160, 158579), (347, 73120), (457, 55520), (694, 36560), (914, 27760), (1388, 18280), (1735, 14624), (1828, 13880), (2285, 11104), (2776, 9140), (3470, 7312), (3656, 6940), (4570, 5552)]