81234662260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{831811}}^1$

素因数の和:832096

約数の個数: 48

約数和(自身を含む): 180270296640

約数和(自身を除く): 99035634380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1028, 1285, 2570, 4883, 5140, 9766, 19532, 24415, 48830, 97660, 831811, 1663622, 3327244, 4159055, 8318110, 15804409, 16636220, 31608818, 63217636, 79022045, 158044090, 213775427, 316088180, 427550854, 855101708, 1068877135, 2137754270, 4061733113, 4275508540, 8123466226, 16246932452, 20308665565, 40617331130, 81234662260]

約数ペア:

[(1, 81234662260), (2, 40617331130), (4, 20308665565), (5, 16246932452), (10, 8123466226), (19, 4275508540), (20, 4061733113), (38, 2137754270), (76, 1068877135), (95, 855101708), (190, 427550854), (257, 316088180), (380, 213775427), (514, 158044090), (1028, 79022045), (1285, 63217636), (2570, 31608818), (4883, 16636220), (5140, 15804409), (9766, 8318110), (19532, 4159055), (24415, 3327244), (48830, 1663622), (97660, 831811)]