26782340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 60963840

約数和(自身を除く): 34181500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 431, 478, 862, 956, 1195, 1724, 2155, 2390, 3107, 4310, 4780, 5603, 6214, 8620, 11206, 12428, 15535, 22412, 28015, 31070, 56030, 62140, 103009, 112060, 206018, 412036, 515045, 1030090, 1339117, 2060180, 2678234, 5356468, 6695585, 13391170, 26782340]

約数ペア:

[(1, 26782340), (2, 13391170), (4, 6695585), (5, 5356468), (10, 2678234), (13, 2060180), (20, 1339117), (26, 1030090), (52, 515045), (65, 412036), (130, 206018), (239, 112060), (260, 103009), (431, 62140), (478, 56030), (862, 31070), (956, 28015), (1195, 22412), (1724, 15535), (2155, 12428), (2390, 11206), (3107, 8620), (4310, 6214), (4780, 5603)]