401724160

素因数分解:

$2^8\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1109}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 966525840

約数和(自身を除く): 564801680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 283, 320, 566, 640, 1109, 1132, 1280, 1415, 2218, 2264, 2830, 4436, 4528, 5545, 5660, 8872, 9056, 11090, 11320, 17744, 18112, 22180, 22640, 35488, 36224, 44360, 45280, 70976, 72448, 88720, 90560, 141952, 177440, 181120, 283904, 313847, 354880, 362240, 627694, 709760, 1255388, 1419520, 1569235, 2510776, 3138470, 5021552, 6276940, 10043104, 12553880, 20086208, 25107760, 40172416, 50215520, 80344832, 100431040, 200862080, 401724160]

約数ペア:

[(1, 401724160), (2, 200862080), (4, 100431040), (5, 80344832), (8, 50215520), (10, 40172416), (16, 25107760), (20, 20086208), (32, 12553880), (40, 10043104), (64, 6276940), (80, 5021552), (128, 3138470), (160, 2510776), (256, 1569235), (283, 1419520), (320, 1255388), (566, 709760), (640, 627694), (1109, 362240), (1132, 354880), (1280, 313847), (1415, 283904), (2218, 181120), (2264, 177440), (2830, 141952), (4436, 90560), (4528, 88720), (5545, 72448), (5660, 70976), (8872, 45280), (9056, 44360), (11090, 36224), (11320, 35488), (17744, 22640), (18112, 22180)]