55161820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 142184448

約数和(自身を除く): 87022628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 230, 259, 322, 370, 460, 463, 518, 644, 740, 805, 851, 926, 1036, 1295, 1610, 1702, 1852, 2315, 2590, 3220, 3241, 3404, 4255, 4630, 5180, 5957, 6482, 8510, 9260, 10649, 11914, 12964, 16205, 17020, 17131, 21298, 23828, 29785, 32410, 34262, 42596, 53245, 59570, 64820, 68524, 74543, 85655, 106490, 119140, 119917, 149086, 171310, 212980, 239834, 298172, 342620, 372715, 394013, 479668, 599585, 745430, 788026, 1199170, 1490860, 1576052, 1970065, 2398340, 2758091, 3940130, 5516182, 7880260, 11032364, 13790455, 27580910, 55161820]

約数ペア:

[(1, 55161820), (2, 27580910), (4, 13790455), (5, 11032364), (7, 7880260), (10, 5516182), (14, 3940130), (20, 2758091), (23, 2398340), (28, 1970065), (35, 1576052), (37, 1490860), (46, 1199170), (70, 788026), (74, 745430), (92, 599585), (115, 479668), (140, 394013), (148, 372715), (161, 342620), (185, 298172), (230, 239834), (259, 212980), (322, 171310), (370, 149086), (460, 119917), (463, 119140), (518, 106490), (644, 85655), (740, 74543), (805, 68524), (851, 64820), (926, 59570), (1036, 53245), (1295, 42596), (1610, 34262), (1702, 32410), (1852, 29785), (2315, 23828), (2590, 21298), (3220, 17131), (3241, 17020), (3404, 16205), (4255, 12964), (4630, 11914), (5180, 10649), (5957, 9260), (6482, 8510)]