80045980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{24859}}^1$

素因数の和:24898

約数の個数: 48

約数和(自身を含む): 200471040

約数和(自身を除く): 120425060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 24859, 49718, 99436, 124295, 174013, 248590, 348026, 497180, 571757, 696052, 870065, 1143514, 1740130, 2287028, 2858785, 3480260, 4002299, 5717570, 8004598, 11435140, 16009196, 20011495, 40022990, 80045980]

約数ペア:

[(1, 80045980), (2, 40022990), (4, 20011495), (5, 16009196), (7, 11435140), (10, 8004598), (14, 5717570), (20, 4002299), (23, 3480260), (28, 2858785), (35, 2287028), (46, 1740130), (70, 1143514), (92, 870065), (115, 696052), (140, 571757), (161, 497180), (230, 348026), (322, 248590), (460, 174013), (644, 124295), (805, 99436), (1610, 49718), (3220, 24859)]