51847880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{3779}}^1$

素因数の和:3811

約数の個数: 64

約数和(自身を含む): 136080000

約数和(自身を除く): 84232120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 3779, 6860, 7558, 13720, 15116, 18895, 26453, 30232, 37790, 52906, 75580, 105812, 132265, 151160, 185171, 211624, 264530, 370342, 529060, 740684, 925855, 1058120, 1296197, 1481368, 1851710, 2592394, 3703420, 5184788, 6480985, 7406840, 10369576, 12961970, 25923940, 51847880]

約数ペア:

[(1, 51847880), (2, 25923940), (4, 12961970), (5, 10369576), (7, 7406840), (8, 6480985), (10, 5184788), (14, 3703420), (20, 2592394), (28, 1851710), (35, 1481368), (40, 1296197), (49, 1058120), (56, 925855), (70, 740684), (98, 529060), (140, 370342), (196, 264530), (245, 211624), (280, 185171), (343, 151160), (392, 132265), (490, 105812), (686, 75580), (980, 52906), (1372, 37790), (1715, 30232), (1960, 26453), (2744, 18895), (3430, 15116), (3779, 13720), (6860, 7558)]