66775420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{10667}}^1$

素因数の和:10989

約数の個数: 24

約数和(自身を含む): 140689584

約数和(自身を除く): 73914164

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 10667, 21334, 42668, 53335, 106670, 213340, 3338771, 6677542, 13355084, 16693855, 33387710, 66775420]

約数ペア:

[(1, 66775420), (2, 33387710), (4, 16693855), (5, 13355084), (10, 6677542), (20, 3338771), (313, 213340), (626, 106670), (1252, 53335), (1565, 42668), (3130, 21334), (6260, 10667)]