8224640

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 20049120

約数和(自身を除く): 11824480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 181, 284, 320, 355, 362, 568, 640, 710, 724, 905, 1136, 1420, 1448, 1810, 2272, 2840, 2896, 3620, 4544, 5680, 5792, 7240, 9088, 11360, 11584, 12851, 14480, 22720, 23168, 25702, 28960, 45440, 51404, 57920, 64255, 102808, 115840, 128510, 205616, 257020, 411232, 514040, 822464, 1028080, 1644928, 2056160, 4112320, 8224640]

約数ペア:

[(1, 8224640), (2, 4112320), (4, 2056160), (5, 1644928), (8, 1028080), (10, 822464), (16, 514040), (20, 411232), (32, 257020), (40, 205616), (64, 128510), (71, 115840), (80, 102808), (128, 64255), (142, 57920), (160, 51404), (181, 45440), (284, 28960), (320, 25702), (355, 23168), (362, 22720), (568, 14480), (640, 12851), (710, 11584), (724, 11360), (905, 9088), (1136, 7240), (1420, 5792), (1448, 5680), (1810, 4544), (2272, 3620), (2840, 2896)]