8420360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16193}}^1$

素因数の和:16217

約数の個数: 32

約数和(自身を含む): 20404440

約数和(自身を除く): 11984080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16193, 32386, 64772, 80965, 129544, 161930, 210509, 323860, 421018, 647720, 842036, 1052545, 1684072, 2105090, 4210180, 8420360]

約数ペア:

[(1, 8420360), (2, 4210180), (4, 2105090), (5, 1684072), (8, 1052545), (10, 842036), (13, 647720), (20, 421018), (26, 323860), (40, 210509), (52, 161930), (65, 129544), (104, 80965), (130, 64772), (260, 32386), (520, 16193)]