1885522720

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{28813}}^1$

素因数の和:29237

約数の個数: 48

約数和(自身を含む): 4465593720

約数和(自身を除く): 2580071000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 13088, 16360, 28813, 32720, 57626, 65440, 115252, 144065, 230504, 288130, 461008, 576260, 922016, 1152520, 2305040, 4610080, 11784517, 23569034, 47138068, 58922585, 94276136, 117845170, 188552272, 235690340, 377104544, 471380680, 942761360, 1885522720]

約数ペア:

[(1, 1885522720), (2, 942761360), (4, 471380680), (5, 377104544), (8, 235690340), (10, 188552272), (16, 117845170), (20, 94276136), (32, 58922585), (40, 47138068), (80, 23569034), (160, 11784517), (409, 4610080), (818, 2305040), (1636, 1152520), (2045, 922016), (3272, 576260), (4090, 461008), (6544, 288130), (8180, 230504), (13088, 144065), (16360, 115252), (28813, 65440), (32720, 57626)]