27651860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 61979904

約数和(自身を除く): 34328044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 487, 668, 835, 974, 1670, 1948, 2435, 2839, 3340, 4870, 5678, 8279, 9740, 11356, 14195, 16558, 28390, 33116, 41395, 56780, 81329, 82790, 162658, 165580, 325316, 406645, 813290, 1382593, 1626580, 2765186, 5530372, 6912965, 13825930, 27651860]

約数ペア:

[(1, 27651860), (2, 13825930), (4, 6912965), (5, 5530372), (10, 2765186), (17, 1626580), (20, 1382593), (34, 813290), (68, 406645), (85, 325316), (167, 165580), (170, 162658), (334, 82790), (340, 81329), (487, 56780), (668, 41395), (835, 33116), (974, 28390), (1670, 16558), (1948, 14195), (2435, 11356), (2839, 9740), (3340, 8279), (4870, 5678)]