811565560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12289}}^1$

素因数の和:12440

約数の個数: 64

約数和(自身を含む): 1982131200

約数和(自身を除く): 1170565640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3302, 5080, 6604, 8255, 12289, 13208, 16510, 24578, 33020, 49156, 61445, 66040, 98312, 122890, 159757, 245780, 319514, 491560, 639028, 798785, 1278056, 1560703, 1597570, 3121406, 3195140, 6242812, 6390280, 7803515, 12485624, 15607030, 20289139, 31214060, 40578278, 62428120, 81156556, 101445695, 162313112, 202891390, 405782780, 811565560]

約数ペア:

[(1, 811565560), (2, 405782780), (4, 202891390), (5, 162313112), (8, 101445695), (10, 81156556), (13, 62428120), (20, 40578278), (26, 31214060), (40, 20289139), (52, 15607030), (65, 12485624), (104, 7803515), (127, 6390280), (130, 6242812), (254, 3195140), (260, 3121406), (508, 1597570), (520, 1560703), (635, 1278056), (1016, 798785), (1270, 639028), (1651, 491560), (2540, 319514), (3302, 245780), (5080, 159757), (6604, 122890), (8255, 98312), (12289, 66040), (13208, 61445), (16510, 49156), (24578, 33020)]