82816240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79631}}^1$

素因数の和:79657

約数の個数: 40

約数和(自身を含む): 207361728

約数和(自身を除く): 124545488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 79631, 159262, 318524, 398155, 637048, 796310, 1035203, 1274096, 1592620, 2070406, 3185240, 4140812, 5176015, 6370480, 8281624, 10352030, 16563248, 20704060, 41408120, 82816240]

約数ペア:

[(1, 82816240), (2, 41408120), (4, 20704060), (5, 16563248), (8, 10352030), (10, 8281624), (13, 6370480), (16, 5176015), (20, 4140812), (26, 3185240), (40, 2070406), (52, 1592620), (65, 1274096), (80, 1035203), (104, 796310), (130, 637048), (208, 398155), (260, 318524), (520, 159262), (1040, 79631)]