827063680

素因数分解:

$2^7\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1979}}^1$

素因数の和:2651

約数の個数: 64

約数和(自身を含む): 1981227600

約数和(自身を除く): 1154163920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 653, 1306, 1979, 2612, 3265, 3958, 5224, 6530, 7916, 9895, 10448, 13060, 15832, 19790, 20896, 26120, 31664, 39580, 41792, 52240, 63328, 79160, 83584, 104480, 126656, 158320, 208960, 253312, 316640, 417920, 633280, 1266560, 1292287, 2584574, 5169148, 6461435, 10338296, 12922870, 20676592, 25845740, 41353184, 51691480, 82706368, 103382960, 165412736, 206765920, 413531840, 827063680]

約数ペア:

[(1, 827063680), (2, 413531840), (4, 206765920), (5, 165412736), (8, 103382960), (10, 82706368), (16, 51691480), (20, 41353184), (32, 25845740), (40, 20676592), (64, 12922870), (80, 10338296), (128, 6461435), (160, 5169148), (320, 2584574), (640, 1292287), (653, 1266560), (1306, 633280), (1979, 417920), (2612, 316640), (3265, 253312), (3958, 208960), (5224, 158320), (6530, 126656), (7916, 104480), (9895, 83584), (10448, 79160), (13060, 63328), (15832, 52240), (19790, 41792), (20896, 39580), (26120, 31664)]