28099840

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 69720840

約数和(自身を除く): 41621000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 757, 928, 1160, 1280, 1514, 1856, 2320, 3028, 3712, 3785, 4640, 6056, 7424, 7570, 9280, 12112, 15140, 18560, 21953, 24224, 30280, 37120, 43906, 48448, 60560, 87812, 96896, 109765, 121120, 175624, 193792, 219530, 242240, 351248, 439060, 484480, 702496, 878120, 968960, 1404992, 1756240, 2809984, 3512480, 5619968, 7024960, 14049920, 28099840]

約数ペア:

[(1, 28099840), (2, 14049920), (4, 7024960), (5, 5619968), (8, 3512480), (10, 2809984), (16, 1756240), (20, 1404992), (29, 968960), (32, 878120), (40, 702496), (58, 484480), (64, 439060), (80, 351248), (116, 242240), (128, 219530), (145, 193792), (160, 175624), (232, 121120), (256, 109765), (290, 96896), (320, 87812), (464, 60560), (580, 48448), (640, 43906), (757, 37120), (928, 30280), (1160, 24224), (1280, 21953), (1514, 18560), (1856, 15140), (2320, 12112), (3028, 9280), (3712, 7570), (3785, 7424), (4640, 6056)]