86759380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 188939520

約数和(自身を除く): 102180140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1277, 1580, 2554, 3397, 5108, 6385, 6794, 12770, 13588, 16985, 25540, 33970, 54911, 67940, 100883, 109822, 201766, 219644, 274555, 403532, 504415, 549110, 1008830, 1098220, 2017660, 4337969, 8675938, 17351876, 21689845, 43379690, 86759380]

約数ペア:

[(1, 86759380), (2, 43379690), (4, 21689845), (5, 17351876), (10, 8675938), (20, 4337969), (43, 2017660), (79, 1098220), (86, 1008830), (158, 549110), (172, 504415), (215, 403532), (316, 274555), (395, 219644), (430, 201766), (790, 109822), (860, 100883), (1277, 67940), (1580, 54911), (2554, 33970), (3397, 25540), (5108, 16985), (6385, 13588), (6794, 12770)]