61878980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181997}}^1$

素因数の和:182023

約数の個数: 24

約数和(自身を含む): 137590488

約数和(自身を除く): 75711508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 181997, 363994, 727988, 909985, 1819970, 3093949, 3639940, 6187898, 12375796, 15469745, 30939490, 61878980]

約数ペア:

[(1, 61878980), (2, 30939490), (4, 15469745), (5, 12375796), (10, 6187898), (17, 3639940), (20, 3093949), (34, 1819970), (68, 909985), (85, 727988), (170, 363994), (340, 181997)]