53490280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 124597440

約数和(自身を除く): 71107160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 227, 274, 344, 430, 454, 548, 685, 860, 908, 1096, 1135, 1370, 1720, 1816, 2270, 2740, 4540, 5480, 5891, 9080, 9761, 11782, 19522, 23564, 29455, 31099, 39044, 47128, 48805, 58910, 62198, 78088, 97610, 117820, 124396, 155495, 195220, 235640, 248792, 310990, 390440, 621980, 1243960, 1337257, 2674514, 5349028, 6686285, 10698056, 13372570, 26745140, 53490280]

約数ペア:

[(1, 53490280), (2, 26745140), (4, 13372570), (5, 10698056), (8, 6686285), (10, 5349028), (20, 2674514), (40, 1337257), (43, 1243960), (86, 621980), (137, 390440), (172, 310990), (215, 248792), (227, 235640), (274, 195220), (344, 155495), (430, 124396), (454, 117820), (548, 97610), (685, 78088), (860, 62198), (908, 58910), (1096, 48805), (1135, 47128), (1370, 39044), (1720, 31099), (1816, 29455), (2270, 23564), (2740, 19522), (4540, 11782), (5480, 9761), (5891, 9080)]