28851040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10607}}^1$

素因数の和:10639

約数の個数: 48

約数和(自身を含む): 72176832

約数和(自身を除く): 43325792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10607, 21214, 42428, 53035, 84856, 106070, 169712, 180319, 212140, 339424, 360638, 424280, 721276, 848560, 901595, 1442552, 1697120, 1803190, 2885104, 3606380, 5770208, 7212760, 14425520, 28851040]

約数ペア:

[(1, 28851040), (2, 14425520), (4, 7212760), (5, 5770208), (8, 3606380), (10, 2885104), (16, 1803190), (17, 1697120), (20, 1442552), (32, 901595), (34, 848560), (40, 721276), (68, 424280), (80, 360638), (85, 339424), (136, 212140), (160, 180319), (170, 169712), (272, 106070), (340, 84856), (544, 53035), (680, 42428), (1360, 21214), (2720, 10607)]