53178020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12253}}^1$

素因数の和:12300

約数の個数: 48

約数和(自身を含む): 131755008

約数和(自身を除く): 78576988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 12253, 24506, 49012, 61265, 85771, 122530, 171542, 245060, 343084, 379843, 428855, 759686, 857710, 1519372, 1715420, 1899215, 2658901, 3798430, 5317802, 7596860, 10635604, 13294505, 26589010, 53178020]

約数ペア:

[(1, 53178020), (2, 26589010), (4, 13294505), (5, 10635604), (7, 7596860), (10, 5317802), (14, 3798430), (20, 2658901), (28, 1899215), (31, 1715420), (35, 1519372), (62, 857710), (70, 759686), (124, 428855), (140, 379843), (155, 343084), (217, 245060), (310, 171542), (434, 122530), (620, 85771), (868, 61265), (1085, 49012), (2170, 24506), (4340, 12253)]