2256640

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 5665968

約数和(自身を除く): 3409328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 64, 80, 82, 86, 128, 160, 164, 172, 205, 215, 256, 320, 328, 344, 410, 430, 640, 656, 688, 820, 860, 1280, 1312, 1376, 1640, 1720, 1763, 2624, 2752, 3280, 3440, 3526, 5248, 5504, 6560, 6880, 7052, 8815, 10496, 11008, 13120, 13760, 14104, 17630, 26240, 27520, 28208, 35260, 52480, 55040, 56416, 70520, 112832, 141040, 225664, 282080, 451328, 564160, 1128320, 2256640]

約数ペア:

[(1, 2256640), (2, 1128320), (4, 564160), (5, 451328), (8, 282080), (10, 225664), (16, 141040), (20, 112832), (32, 70520), (40, 56416), (41, 55040), (43, 52480), (64, 35260), (80, 28208), (82, 27520), (86, 26240), (128, 17630), (160, 14104), (164, 13760), (172, 13120), (205, 11008), (215, 10496), (256, 8815), (320, 7052), (328, 6880), (344, 6560), (410, 5504), (430, 5248), (640, 3526), (656, 3440), (688, 3280), (820, 2752), (860, 2624), (1280, 1763), (1312, 1720), (1376, 1640)]