51186340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 112166208

約数和(自身を除く): 60979868

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1123, 2246, 2279, 4492, 4558, 5615, 9116, 11230, 11395, 22460, 22790, 45580, 48289, 59519, 96578, 119038, 193156, 238076, 241445, 297595, 482890, 595190, 965780, 1190380, 2559317, 5118634, 10237268, 12796585, 25593170, 51186340]

約数ペア:

[(1, 51186340), (2, 25593170), (4, 12796585), (5, 10237268), (10, 5118634), (20, 2559317), (43, 1190380), (53, 965780), (86, 595190), (106, 482890), (172, 297595), (212, 241445), (215, 238076), (265, 193156), (430, 119038), (530, 96578), (860, 59519), (1060, 48289), (1123, 45580), (2246, 22790), (2279, 22460), (4492, 11395), (4558, 11230), (5615, 9116)]