171480920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25367}}^1$

素因数の和:25404

約数の個数: 48

約数和(自身を含む): 417810960

約数和(自身を除く): 246330040

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, 25367, 50734, 101468, 126835, 202936, 253670, 329771, 507340, 659542, 1014680, 1319084, 1648855, 2638168, 3297710, 4287023, 6595420, 8574046, 13190840, 17148092, 21435115, 34296184, 42870230, 85740460, 171480920]

約数ペア:

[(1, 171480920), (2, 85740460), (4, 42870230), (5, 34296184), (8, 21435115), (10, 17148092), (13, 13190840), (20, 8574046), (26, 6595420), (40, 4287023), (52, 3297710), (65, 2638168), (104, 1648855), (130, 1319084), (169, 1014680), (260, 659542), (338, 507340), (520, 329771), (676, 253670), (845, 202936), (1352, 126835), (1690, 101468), (3380, 50734), (6760, 25367)]