40748890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6397}}^1$

素因数の和:6431

約数の個数: 48

約数和(自身を含む): 91900872

約数和(自身を除く): 51151982

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 6397, 12794, 31985, 44779, 63970, 83161, 89558, 166322, 223895, 313453, 415805, 447790, 582127, 626906, 831610, 1164254, 1567265, 2910635, 3134530, 4074889, 5821270, 8149778, 20374445, 40748890]

約数ペア:

[(1, 40748890), (2, 20374445), (5, 8149778), (7, 5821270), (10, 4074889), (13, 3134530), (14, 2910635), (26, 1567265), (35, 1164254), (49, 831610), (65, 626906), (70, 582127), (91, 447790), (98, 415805), (130, 313453), (182, 223895), (245, 166322), (455, 89558), (490, 83161), (637, 63970), (910, 44779), (1274, 31985), (3185, 12794), (6370, 6397)]