409457680

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{6311}}^1$

素因数の和:7135

約数の個数: 40

約数和(自身を含む): 953313984

約数和(自身を除く): 543856304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1622, 3244, 4055, 6311, 6488, 8110, 12622, 12976, 16220, 25244, 31555, 32440, 50488, 63110, 64880, 100976, 126220, 252440, 504880, 5118221, 10236442, 20472884, 25591105, 40945768, 51182210, 81891536, 102364420, 204728840, 409457680]

約数ペア:

[(1, 409457680), (2, 204728840), (4, 102364420), (5, 81891536), (8, 51182210), (10, 40945768), (16, 25591105), (20, 20472884), (40, 10236442), (80, 5118221), (811, 504880), (1622, 252440), (3244, 126220), (4055, 100976), (6311, 64880), (6488, 63110), (8110, 50488), (12622, 32440), (12976, 31555), (16220, 25244)]