804558640

素因数分解:

$2^4\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{8291}}^1$

素因数の和:9517

約数の個数: 40

約数和(自身を含む): 1872366768

約数和(自身を除く): 1067808128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1213, 2426, 4852, 6065, 8291, 9704, 12130, 16582, 19408, 24260, 33164, 41455, 48520, 66328, 82910, 97040, 132656, 165820, 331640, 663280, 10056983, 20113966, 40227932, 50284915, 80455864, 100569830, 160911728, 201139660, 402279320, 804558640]

約数ペア:

[(1, 804558640), (2, 402279320), (4, 201139660), (5, 160911728), (8, 100569830), (10, 80455864), (16, 50284915), (20, 40227932), (40, 20113966), (80, 10056983), (1213, 663280), (2426, 331640), (4852, 165820), (6065, 132656), (8291, 97040), (9704, 82910), (12130, 66328), (16582, 48520), (19408, 41455), (24260, 33164)]