26656240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 71432928

約数和(自身を除く): 44776688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 71, 76, 80, 95, 104, 130, 142, 152, 190, 208, 247, 260, 284, 304, 355, 361, 380, 494, 520, 568, 710, 722, 760, 923, 988, 1040, 1136, 1235, 1349, 1420, 1444, 1520, 1805, 1846, 1976, 2470, 2698, 2840, 2888, 3610, 3692, 3952, 4615, 4693, 4940, 5396, 5680, 5776, 6745, 7220, 7384, 9230, 9386, 9880, 10792, 13490, 14440, 14768, 17537, 18460, 18772, 19760, 21584, 23465, 25631, 26980, 28880, 35074, 36920, 37544, 46930, 51262, 53960, 70148, 73840, 75088, 87685, 93860, 102524, 107920, 128155, 140296, 175370, 187720, 205048, 256310, 280592, 333203, 350740, 375440, 410096, 512620, 666406, 701480, 1025240, 1332812, 1402960, 1666015, 2050480, 2665624, 3332030, 5331248, 6664060, 13328120, 26656240]

約数ペア:

[(1, 26656240), (2, 13328120), (4, 6664060), (5, 5331248), (8, 3332030), (10, 2665624), (13, 2050480), (16, 1666015), (19, 1402960), (20, 1332812), (26, 1025240), (38, 701480), (40, 666406), (52, 512620), (65, 410096), (71, 375440), (76, 350740), (80, 333203), (95, 280592), (104, 256310), (130, 205048), (142, 187720), (152, 175370), (190, 140296), (208, 128155), (247, 107920), (260, 102524), (284, 93860), (304, 87685), (355, 75088), (361, 73840), (380, 70148), (494, 53960), (520, 51262), (568, 46930), (710, 37544), (722, 36920), (760, 35074), (923, 28880), (988, 26980), (1040, 25631), (1136, 23465), (1235, 21584), (1349, 19760), (1420, 18772), (1444, 18460), (1520, 17537), (1805, 14768), (1846, 14440), (1976, 13490), (2470, 10792), (2698, 9880), (2840, 9386), (2888, 9230), (3610, 7384), (3692, 7220), (3952, 6745), (4615, 5776), (4693, 5680), (4940, 5396)]