26130130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 28301870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 149, 190, 247, 298, 355, 494, 710, 745, 923, 1235, 1349, 1490, 1846, 1937, 2470, 2698, 2831, 3874, 4615, 5662, 6745, 9230, 9685, 10579, 13490, 14155, 17537, 19370, 21158, 28310, 35074, 36803, 52895, 73606, 87685, 105790, 137527, 175370, 184015, 201001, 275054, 368030, 402002, 687635, 1005005, 1375270, 2010010, 2613013, 5226026, 13065065, 26130130]

約数ペア:

[(1, 26130130), (2, 13065065), (5, 5226026), (10, 2613013), (13, 2010010), (19, 1375270), (26, 1005005), (38, 687635), (65, 402002), (71, 368030), (95, 275054), (130, 201001), (142, 184015), (149, 175370), (190, 137527), (247, 105790), (298, 87685), (355, 73606), (494, 52895), (710, 36803), (745, 35074), (923, 28310), (1235, 21158), (1349, 19370), (1490, 17537), (1846, 14155), (1937, 13490), (2470, 10579), (2698, 9685), (2831, 9230), (3874, 6745), (4615, 5662)]