25760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:45

約数の個数: 48

約数和(自身を含む): 72576

約数和(自身を除く): 46816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 25760]

約数ペア:

[(1, 25760), (2, 12880), (4, 6440), (5, 5152), (7, 3680), (8, 3220), (10, 2576), (14, 1840), (16, 1610), (20, 1288), (23, 1120), (28, 920), (32, 805), (35, 736), (40, 644), (46, 560), (56, 460), (70, 368), (80, 322), (92, 280), (112, 230), (115, 224), (140, 184), (160, 161)]