142119980

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{4273}}^1$

素因数の和:5945

約数の個数: 24

約数和(自身を含む): 298701312

約数和(自身を除く): 156581332

約数列:

[1, 2, 4, 5, 10, 20, 1663, 3326, 4273, 6652, 8315, 8546, 16630, 17092, 21365, 33260, 42730, 85460, 7105999, 14211998, 28423996, 35529995, 71059990, 142119980]

約数ペア:

[(1, 142119980), (2, 71059990), (4, 35529995), (5, 28423996), (10, 14211998), (20, 7105999), (1663, 85460), (3326, 42730), (4273, 33260), (6652, 21365), (8315, 17092), (8546, 16630)]