1999553680

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{30223}}^1$

素因数の和:31063

約数の個数: 40

約数和(自身を含む): 4654737792

約数和(自身を除く): 2655184112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 3308, 4135, 6616, 8270, 13232, 16540, 30223, 33080, 60446, 66160, 120892, 151115, 241784, 302230, 483568, 604460, 1208920, 2417840, 24994421, 49988842, 99977684, 124972105, 199955368, 249944210, 399910736, 499888420, 999776840, 1999553680]

約数ペア:

[(1, 1999553680), (2, 999776840), (4, 499888420), (5, 399910736), (8, 249944210), (10, 199955368), (16, 124972105), (20, 99977684), (40, 49988842), (80, 24994421), (827, 2417840), (1654, 1208920), (3308, 604460), (4135, 483568), (6616, 302230), (8270, 241784), (13232, 151115), (16540, 120892), (30223, 66160), (33080, 60446)]