81109760

素因数分解:

$2^8\times 5^1\times {\mathrm{63367}}^1$

素因数の和:63388

約数の個数: 36

約数和(自身を含む): 194286288

約数和(自身を除く): 113176528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 63367, 126734, 253468, 316835, 506936, 633670, 1013872, 1267340, 2027744, 2534680, 4055488, 5069360, 8110976, 10138720, 16221952, 20277440, 40554880, 81109760]

約数ペア:

[(1, 81109760), (2, 40554880), (4, 20277440), (5, 16221952), (8, 10138720), (10, 8110976), (16, 5069360), (20, 4055488), (32, 2534680), (40, 2027744), (64, 1267340), (80, 1013872), (128, 633670), (160, 506936), (256, 316835), (320, 253468), (640, 126734), (1280, 63367)]