42560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:43

約数の個数: 56

約数和(自身を含む): 121920

約数和(自身を除く): 79360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 2128, 2240, 2660, 3040, 4256, 5320, 6080, 8512, 10640, 21280, 42560]

約数ペア:

[(1, 42560), (2, 21280), (4, 10640), (5, 8512), (7, 6080), (8, 5320), (10, 4256), (14, 3040), (16, 2660), (19, 2240), (20, 2128), (28, 1520), (32, 1330), (35, 1216), (38, 1120), (40, 1064), (56, 760), (64, 665), (70, 608), (76, 560), (80, 532), (95, 448), (112, 380), (133, 320), (140, 304), (152, 280), (160, 266), (190, 224)]