80312260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4517}}^1$

素因数の和:4660

約数の個数: 48

約数和(自身を含む): 194310144

約数和(自身を除く): 113997884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 4517, 8890, 9034, 17780, 18068, 22585, 31619, 45170, 63238, 90340, 126476, 158095, 316190, 573659, 632380, 1147318, 2294636, 2868295, 4015613, 5736590, 8031226, 11473180, 16062452, 20078065, 40156130, 80312260]

約数ペア:

[(1, 80312260), (2, 40156130), (4, 20078065), (5, 16062452), (7, 11473180), (10, 8031226), (14, 5736590), (20, 4015613), (28, 2868295), (35, 2294636), (70, 1147318), (127, 632380), (140, 573659), (254, 316190), (508, 158095), (635, 126476), (889, 90340), (1270, 63238), (1778, 45170), (2540, 31619), (3556, 22585), (4445, 18068), (4517, 17780), (8890, 9034)]