22820480

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 55135080

約数和(自身を除く): 32314600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 197, 320, 362, 394, 640, 724, 788, 905, 985, 1448, 1576, 1810, 1970, 2896, 3152, 3620, 3940, 5792, 6304, 7240, 7880, 11584, 12608, 14480, 15760, 23168, 25216, 28960, 31520, 35657, 57920, 63040, 71314, 115840, 126080, 142628, 178285, 285256, 356570, 570512, 713140, 1141024, 1426280, 2282048, 2852560, 4564096, 5705120, 11410240, 22820480]

約数ペア:

[(1, 22820480), (2, 11410240), (4, 5705120), (5, 4564096), (8, 2852560), (10, 2282048), (16, 1426280), (20, 1141024), (32, 713140), (40, 570512), (64, 356570), (80, 285256), (128, 178285), (160, 142628), (181, 126080), (197, 115840), (320, 71314), (362, 63040), (394, 57920), (640, 35657), (724, 31520), (788, 28960), (905, 25216), (985, 23168), (1448, 15760), (1576, 14480), (1810, 12608), (1970, 11584), (2896, 7880), (3152, 7240), (3620, 6304), (3940, 5792)]