2008172920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{297067}}^1$

素因数の和:297104

約数の個数: 48

約数和(自身を含む): 4892709960

約数和(自身を除く): 2884537040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 297067, 594134, 1188268, 1485335, 2376536, 2970670, 3861871, 5941340, 7723742, 11882680, 15447484, 19309355, 30894968, 38618710, 50204323, 77237420, 100408646, 154474840, 200817292, 251021615, 401634584, 502043230, 1004086460, 2008172920]

約数ペア:

[(1, 2008172920), (2, 1004086460), (4, 502043230), (5, 401634584), (8, 251021615), (10, 200817292), (13, 154474840), (20, 100408646), (26, 77237420), (40, 50204323), (52, 38618710), (65, 30894968), (104, 19309355), (130, 15447484), (169, 11882680), (260, 7723742), (338, 5941340), (520, 3861871), (676, 2970670), (845, 2376536), (1352, 1485335), (1690, 1188268), (3380, 594134), (6760, 297067)]