66187760

素因数分解:

$2^4\times 5^1\times {\mathrm{827347}}^1$

素因数の和:827360

約数の個数: 20

約数和(自身を含む): 153886728

約数和(自身を除く): 87698968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827347, 1654694, 3309388, 4136735, 6618776, 8273470, 13237552, 16546940, 33093880, 66187760]

約数ペア:

[(1, 66187760), (2, 33093880), (4, 16546940), (5, 13237552), (8, 8273470), (10, 6618776), (16, 4136735), (20, 3309388), (40, 1654694), (80, 827347)]