66435880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237271}}^1$

素因数の和:237289

約数の個数: 32

約数和(自身を含む): 170835840

約数和(自身を除く): 104399960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237271, 474542, 949084, 1186355, 1660897, 1898168, 2372710, 3321794, 4745420, 6643588, 8304485, 9490840, 13287176, 16608970, 33217940, 66435880]

約数ペア:

[(1, 66435880), (2, 33217940), (4, 16608970), (5, 13287176), (7, 9490840), (8, 8304485), (10, 6643588), (14, 4745420), (20, 3321794), (28, 2372710), (35, 1898168), (40, 1660897), (56, 1186355), (70, 949084), (140, 474542), (280, 237271)]