13390880

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18542560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 659, 1016, 1270, 1318, 2032, 2540, 2636, 3295, 4064, 5080, 5272, 6590, 10160, 10544, 13180, 20320, 21088, 26360, 52720, 83693, 105440, 167386, 334772, 418465, 669544, 836930, 1339088, 1673860, 2678176, 3347720, 6695440, 13390880]

約数ペア:

[(1, 13390880), (2, 6695440), (4, 3347720), (5, 2678176), (8, 1673860), (10, 1339088), (16, 836930), (20, 669544), (32, 418465), (40, 334772), (80, 167386), (127, 105440), (160, 83693), (254, 52720), (508, 26360), (635, 21088), (659, 20320), (1016, 13180), (1270, 10544), (1318, 10160), (2032, 6590), (2540, 5272), (2636, 5080), (3295, 4064)]