39910780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21929}}^1$

素因数の和:21958

約数の個数: 48

約数和(自身を含む): 103158720

約数和(自身を除く): 63247940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 21929, 43858, 87716, 109645, 153503, 219290, 285077, 307006, 438580, 570154, 614012, 767515, 1140308, 1425385, 1535030, 1995539, 2850770, 3070060, 3991078, 5701540, 7982156, 9977695, 19955390, 39910780]

約数ペア:

[(1, 39910780), (2, 19955390), (4, 9977695), (5, 7982156), (7, 5701540), (10, 3991078), (13, 3070060), (14, 2850770), (20, 1995539), (26, 1535030), (28, 1425385), (35, 1140308), (52, 767515), (65, 614012), (70, 570154), (91, 438580), (130, 307006), (140, 285077), (182, 219290), (260, 153503), (364, 109645), (455, 87716), (910, 43858), (1820, 21929)]