83647360

素因数分解:

$2^7\times 5^1\times {\mathrm{130699}}^1$

素因数の和:130718

約数の個数: 32

約数和(自身を含む): 199971000

約数和(自身を除く): 116323640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 130699, 261398, 522796, 653495, 1045592, 1306990, 2091184, 2613980, 4182368, 5227960, 8364736, 10455920, 16729472, 20911840, 41823680, 83647360]

約数ペア:

[(1, 83647360), (2, 41823680), (4, 20911840), (5, 16729472), (8, 10455920), (10, 8364736), (16, 5227960), (20, 4182368), (32, 2613980), (40, 2091184), (64, 1306990), (80, 1045592), (128, 653495), (160, 522796), (320, 261398), (640, 130699)]