83395280

素因数分解:

$2^4\times 5^1\times {\mathrm{1021}}^2$

素因数の和:2055

約数の個数: 30

約数和(自身を含む): 194084118

約数和(自身を除く): 110688838

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1021, 2042, 4084, 5105, 8168, 10210, 16336, 20420, 40840, 81680, 1042441, 2084882, 4169764, 5212205, 8339528, 10424410, 16679056, 20848820, 41697640, 83395280]

約数ペア:

[(1, 83395280), (2, 41697640), (4, 20848820), (5, 16679056), (8, 10424410), (10, 8339528), (16, 5212205), (20, 4169764), (40, 2084882), (80, 1042441), (1021, 81680), (2042, 40840), (4084, 20420), (5105, 16336), (8168, 10210)]