8321560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 20291040

約数和(自身を除く): 11969480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1231, 1352, 1690, 2462, 3380, 4924, 6155, 6760, 9848, 12310, 16003, 24620, 32006, 49240, 64012, 80015, 128024, 160030, 208039, 320060, 416078, 640120, 832156, 1040195, 1664312, 2080390, 4160780, 8321560]

約数ペア:

[(1, 8321560), (2, 4160780), (4, 2080390), (5, 1664312), (8, 1040195), (10, 832156), (13, 640120), (20, 416078), (26, 320060), (40, 208039), (52, 160030), (65, 128024), (104, 80015), (130, 64012), (169, 49240), (260, 32006), (338, 24620), (520, 16003), (676, 12310), (845, 9848), (1231, 6760), (1352, 6155), (1690, 4924), (2462, 3380)]