66405880

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{9941}}^1$

素因数の和:10119

約数の個数: 32

約数和(自身を含む): 150323040

約数和(自身を除く): 83917160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 9941, 19882, 39764, 49705, 79528, 99410, 198820, 397640, 1660147, 3320294, 6640588, 8300735, 13281176, 16601470, 33202940, 66405880]

約数ペア:

[(1, 66405880), (2, 33202940), (4, 16601470), (5, 13281176), (8, 8300735), (10, 6640588), (20, 3320294), (40, 1660147), (167, 397640), (334, 198820), (668, 99410), (835, 79528), (1336, 49705), (1670, 39764), (3340, 19882), (6680, 9941)]