28097120

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2621}}^1$

素因数の和:2703

約数の個数: 48

約数和(自身を含む): 67395888

約数和(自身を除く): 39298768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2621, 2680, 5242, 5360, 10484, 10720, 13105, 20968, 26210, 41936, 52420, 83872, 104840, 175607, 209680, 351214, 419360, 702428, 878035, 1404856, 1756070, 2809712, 3512140, 5619424, 7024280, 14048560, 28097120]

約数ペア:

[(1, 28097120), (2, 14048560), (4, 7024280), (5, 5619424), (8, 3512140), (10, 2809712), (16, 1756070), (20, 1404856), (32, 878035), (40, 702428), (67, 419360), (80, 351214), (134, 209680), (160, 175607), (268, 104840), (335, 83872), (536, 52420), (670, 41936), (1072, 26210), (1340, 20968), (2144, 13105), (2621, 10720), (2680, 10484), (5242, 5360)]