20154124510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1\times {\mathrm{5471}}^1$

素因数の和:6193

約数の個数: 64

約数和(自身を含む): 40044533760

約数和(自身を除く): 19890409250

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 659, 1118, 1318, 2795, 3295, 5471, 5590, 6590, 8567, 10942, 17134, 27355, 28337, 42835, 54710, 56674, 71123, 85670, 141685, 142246, 235253, 283370, 355615, 368381, 470506, 711230, 736762, 1176265, 1841905, 2352530, 3058289, 3605389, 3683810, 6116578, 7210778, 15291445, 18026945, 30582890, 36053890, 46870057, 93740114, 155031727, 234350285, 310063454, 468700570, 775158635, 1550317270, 2015412451, 4030824902, 10077062255, 20154124510]

約数ペア:

[(1, 20154124510), (2, 10077062255), (5, 4030824902), (10, 2015412451), (13, 1550317270), (26, 775158635), (43, 468700570), (65, 310063454), (86, 234350285), (130, 155031727), (215, 93740114), (430, 46870057), (559, 36053890), (659, 30582890), (1118, 18026945), (1318, 15291445), (2795, 7210778), (3295, 6116578), (5471, 3683810), (5590, 3605389), (6590, 3058289), (8567, 2352530), (10942, 1841905), (17134, 1176265), (27355, 736762), (28337, 711230), (42835, 470506), (54710, 368381), (56674, 355615), (71123, 283370), (85670, 235253), (141685, 142246)]