16770640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5167

約数の個数: 40

約数和(自身を含む): 39950568

約数和(自身を除く): 23179928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5113, 10226, 20452, 25565, 40904, 51130, 81808, 102260, 204520, 209633, 409040, 419266, 838532, 1048165, 1677064, 2096330, 3354128, 4192660, 8385320, 16770640]

約数ペア:

[(1, 16770640), (2, 8385320), (4, 4192660), (5, 3354128), (8, 2096330), (10, 1677064), (16, 1048165), (20, 838532), (40, 419266), (41, 409040), (80, 209633), (82, 204520), (164, 102260), (205, 81808), (328, 51130), (410, 40904), (656, 25565), (820, 20452), (1640, 10226), (3280, 5113)]