80428516

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1759}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 170311680

約数和(自身を除く): 89883164

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 497, 644, 994, 1633, 1759, 1988, 3266, 3518, 6532, 7036, 11431, 12313, 22862, 24626, 40457, 45724, 49252, 80914, 124889, 161828, 249778, 283199, 499556, 566398, 874223, 1132796, 1748446, 2872447, 3496892, 5744894, 11489788, 20107129, 40214258, 80428516]

約数ペア:

[(1, 80428516), (2, 40214258), (4, 20107129), (7, 11489788), (14, 5744894), (23, 3496892), (28, 2872447), (46, 1748446), (71, 1132796), (92, 874223), (142, 566398), (161, 499556), (284, 283199), (322, 249778), (497, 161828), (644, 124889), (994, 80914), (1633, 49252), (1759, 45724), (1988, 40457), (3266, 24626), (3518, 22862), (6532, 12313), (7036, 11431)]