42247840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3805

約数の個数: 48

約数和(自身を含む): 101243520

約数和(自身を除く): 58995680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 3719, 5680, 7438, 11360, 14876, 18595, 29752, 37190, 59504, 74380, 119008, 148760, 264049, 297520, 528098, 595040, 1056196, 1320245, 2112392, 2640490, 4224784, 5280980, 8449568, 10561960, 21123920, 42247840]

約数ペア:

[(1, 42247840), (2, 21123920), (4, 10561960), (5, 8449568), (8, 5280980), (10, 4224784), (16, 2640490), (20, 2112392), (32, 1320245), (40, 1056196), (71, 595040), (80, 528098), (142, 297520), (160, 264049), (284, 148760), (355, 119008), (568, 74380), (710, 59504), (1136, 37190), (1420, 29752), (2272, 18595), (2840, 14876), (3719, 11360), (5680, 7438)]