139054840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 325877760

約数和(自身を除く): 186822920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 883, 1016, 1240, 1270, 1766, 2540, 3532, 3937, 4415, 5080, 7064, 7874, 8830, 15748, 17660, 19685, 27373, 31496, 35320, 39370, 54746, 78740, 109492, 112141, 136865, 157480, 218984, 224282, 273730, 448564, 547460, 560705, 897128, 1094920, 1121410, 2242820, 3476371, 4485640, 6952742, 13905484, 17381855, 27810968, 34763710, 69527420, 139054840]

約数ペア:

[(1, 139054840), (2, 69527420), (4, 34763710), (5, 27810968), (8, 17381855), (10, 13905484), (20, 6952742), (31, 4485640), (40, 3476371), (62, 2242820), (124, 1121410), (127, 1094920), (155, 897128), (248, 560705), (254, 547460), (310, 448564), (508, 273730), (620, 224282), (635, 218984), (883, 157480), (1016, 136865), (1240, 112141), (1270, 109492), (1766, 78740), (2540, 54746), (3532, 39370), (3937, 35320), (4415, 31496), (5080, 27373), (7064, 19685), (7874, 17660), (8830, 15748)]