2785348540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{8311}}^1$

素因数の和:9622

約数の個数: 48

約数和(自身を含む): 6304818240

約数和(自身を除く): 3519469700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1289, 2578, 5156, 6445, 8311, 12890, 16622, 16757, 25780, 33244, 33514, 41555, 67028, 83110, 83785, 108043, 166220, 167570, 216086, 335140, 432172, 540215, 1080430, 2160860, 10712879, 21425758, 42851516, 53564395, 107128790, 139267427, 214257580, 278534854, 557069708, 696337135, 1392674270, 2785348540]

約数ペア:

[(1, 2785348540), (2, 1392674270), (4, 696337135), (5, 557069708), (10, 278534854), (13, 214257580), (20, 139267427), (26, 107128790), (52, 53564395), (65, 42851516), (130, 21425758), (260, 10712879), (1289, 2160860), (2578, 1080430), (5156, 540215), (6445, 432172), (8311, 335140), (12890, 216086), (16622, 167570), (16757, 166220), (25780, 108043), (33244, 83785), (33514, 83110), (41555, 67028)]