80314780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44129}}^1$

素因数の和:44158

約数の個数: 48

約数和(自身を含む): 207587520

約数和(自身を除く): 127272740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44129, 88258, 176516, 220645, 308903, 441290, 573677, 617806, 882580, 1147354, 1235612, 1544515, 2294708, 2868385, 3089030, 4015739, 5736770, 6178060, 8031478, 11473540, 16062956, 20078695, 40157390, 80314780]

約数ペア:

[(1, 80314780), (2, 40157390), (4, 20078695), (5, 16062956), (7, 11473540), (10, 8031478), (13, 6178060), (14, 5736770), (20, 4015739), (26, 3089030), (28, 2868385), (35, 2294708), (52, 1544515), (65, 1235612), (70, 1147354), (91, 882580), (130, 617806), (140, 573677), (182, 441290), (260, 308903), (364, 220645), (455, 176516), (910, 88258), (1820, 44129)]