656414240

素因数分解:

$2^5\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2851}}^1$

素因数の和:4305

約数の個数: 48

約数和(自身を含む): 1552400640

約数和(自身を除く): 895986400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1439, 2851, 2878, 5702, 5756, 7195, 11404, 11512, 14255, 14390, 22808, 23024, 28510, 28780, 45616, 46048, 57020, 57560, 91232, 114040, 115120, 228080, 230240, 456160, 4102589, 8205178, 16410356, 20512945, 32820712, 41025890, 65641424, 82051780, 131282848, 164103560, 328207120, 656414240]

約数ペア:

[(1, 656414240), (2, 328207120), (4, 164103560), (5, 131282848), (8, 82051780), (10, 65641424), (16, 41025890), (20, 32820712), (32, 20512945), (40, 16410356), (80, 8205178), (160, 4102589), (1439, 456160), (2851, 230240), (2878, 228080), (5702, 115120), (5756, 114040), (7195, 91232), (11404, 57560), (11512, 57020), (14255, 46048), (14390, 45616), (22808, 28780), (23024, 28510)]