28499680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16193}}^1$

素因数の和:16219

約数の個数: 48

約数和(自身を含む): 73455984

約数和(自身を除く): 44956304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 16193, 32386, 64772, 80965, 129544, 161930, 178123, 259088, 323860, 356246, 518176, 647720, 712492, 890615, 1295440, 1424984, 1781230, 2590880, 2849968, 3562460, 5699936, 7124920, 14249840, 28499680]

約数ペア:

[(1, 28499680), (2, 14249840), (4, 7124920), (5, 5699936), (8, 3562460), (10, 2849968), (11, 2590880), (16, 1781230), (20, 1424984), (22, 1295440), (32, 890615), (40, 712492), (44, 647720), (55, 518176), (80, 356246), (88, 323860), (110, 259088), (160, 178123), (176, 161930), (220, 129544), (352, 80965), (440, 64772), (880, 32386), (1760, 16193)]