79311220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^2$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 171166212

約数和(自身を除く): 91854992

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 311, 410, 622, 820, 1244, 1555, 3110, 6220, 12751, 25502, 51004, 63755, 96721, 127510, 193442, 255020, 386884, 483605, 967210, 1934420, 3965561, 7931122, 15862244, 19827805, 39655610, 79311220]

約数ペア:

[(1, 79311220), (2, 39655610), (4, 19827805), (5, 15862244), (10, 7931122), (20, 3965561), (41, 1934420), (82, 967210), (164, 483605), (205, 386884), (311, 255020), (410, 193442), (622, 127510), (820, 96721), (1244, 63755), (1555, 51004), (3110, 25502), (6220, 12751)]