8678800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1700

約数の個数: 60

約数和(自身を含む): 22468180

約数和(自身を除く): 13789380

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 1669, 2600, 3338, 5200, 6676, 8345, 13352, 16690, 21697, 26704, 33380, 41725, 43394, 66760, 83450, 86788, 108485, 133520, 166900, 173576, 216970, 333800, 347152, 433940, 542425, 667600, 867880, 1084850, 1735760, 2169700, 4339400, 8678800]

約数ペア:

[(1, 8678800), (2, 4339400), (4, 2169700), (5, 1735760), (8, 1084850), (10, 867880), (13, 667600), (16, 542425), (20, 433940), (25, 347152), (26, 333800), (40, 216970), (50, 173576), (52, 166900), (65, 133520), (80, 108485), (100, 86788), (104, 83450), (130, 66760), (200, 43394), (208, 41725), (260, 33380), (325, 26704), (400, 21697), (520, 16690), (650, 13352), (1040, 8345), (1300, 6676), (1669, 5200), (2600, 3338)]