127062020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 272643840

約数和(自身を除く): 145581820

約数列:

[1, 2, 4, 5, 10, 20, 79, 137, 158, 274, 316, 395, 548, 587, 685, 790, 1174, 1370, 1580, 2348, 2740, 2935, 5870, 10823, 11740, 21646, 43292, 46373, 54115, 80419, 92746, 108230, 160838, 185492, 216460, 231865, 321676, 402095, 463730, 804190, 927460, 1608380, 6353101, 12706202, 25412404, 31765505, 63531010, 127062020]

約数ペア:

[(1, 127062020), (2, 63531010), (4, 31765505), (5, 25412404), (10, 12706202), (20, 6353101), (79, 1608380), (137, 927460), (158, 804190), (274, 463730), (316, 402095), (395, 321676), (548, 231865), (587, 216460), (685, 185492), (790, 160838), (1174, 108230), (1370, 92746), (1580, 80419), (2348, 54115), (2740, 46373), (2935, 43292), (5870, 21646), (10823, 11740)]