8679320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16691}}^1$

素因数の和:16715

約数の個数: 32

約数和(自身を含む): 21031920

約数和(自身を除く): 12352600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16691, 33382, 66764, 83455, 133528, 166910, 216983, 333820, 433966, 667640, 867932, 1084915, 1735864, 2169830, 4339660, 8679320]

約数ペア:

[(1, 8679320), (2, 4339660), (4, 2169830), (5, 1735864), (8, 1084915), (10, 867932), (13, 667640), (20, 433966), (26, 333820), (40, 216983), (52, 166910), (65, 133528), (104, 83455), (130, 66764), (260, 33382), (520, 16691)]