206765920

素因数分解:

$2^5\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1979}}^1$

素因数の和:2647

約数の個数: 48

約数和(自身を含む): 489479760

約数和(自身を除く): 282713840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 653, 1306, 1979, 2612, 3265, 3958, 5224, 6530, 7916, 9895, 10448, 13060, 15832, 19790, 20896, 26120, 31664, 39580, 52240, 63328, 79160, 104480, 158320, 316640, 1292287, 2584574, 5169148, 6461435, 10338296, 12922870, 20676592, 25845740, 41353184, 51691480, 103382960, 206765920]

約数ペア:

[(1, 206765920), (2, 103382960), (4, 51691480), (5, 41353184), (8, 25845740), (10, 20676592), (16, 12922870), (20, 10338296), (32, 6461435), (40, 5169148), (80, 2584574), (160, 1292287), (653, 316640), (1306, 158320), (1979, 104480), (2612, 79160), (3265, 63328), (3958, 52240), (5224, 39580), (6530, 31664), (7916, 26120), (9895, 20896), (10448, 19790), (13060, 15832)]