13865360

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{659}}^1$

素因数の和:935

約数の個数: 40

約数和(自身を含む): 32408640

約数和(自身を除く): 18543280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 659, 1052, 1315, 1318, 2104, 2630, 2636, 3295, 4208, 5260, 5272, 6590, 10520, 10544, 13180, 21040, 26360, 52720, 173317, 346634, 693268, 866585, 1386536, 1733170, 2773072, 3466340, 6932680, 13865360]

約数ペア:

[(1, 13865360), (2, 6932680), (4, 3466340), (5, 2773072), (8, 1733170), (10, 1386536), (16, 866585), (20, 693268), (40, 346634), (80, 173317), (263, 52720), (526, 26360), (659, 21040), (1052, 13180), (1315, 10544), (1318, 10520), (2104, 6590), (2630, 5272), (2636, 5260), (3295, 4208)]