51520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:47

約数の個数: 56

約数和(自身を含む): 146304

約数和(自身を除く): 94784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3680, 5152, 6440, 7360, 10304, 12880, 25760, 51520]

約数ペア:

[(1, 51520), (2, 25760), (4, 12880), (5, 10304), (7, 7360), (8, 6440), (10, 5152), (14, 3680), (16, 3220), (20, 2576), (23, 2240), (28, 1840), (32, 1610), (35, 1472), (40, 1288), (46, 1120), (56, 920), (64, 805), (70, 736), (80, 644), (92, 560), (112, 460), (115, 448), (140, 368), (160, 322), (161, 320), (184, 280), (224, 230)]