12776320

素因数分解:

$2^7\times 5^1\times {\mathrm{19963}}^1$

素因数の和:19982

約数の個数: 32

約数和(自身を含む): 30544920

約数和(自身を除く): 17768600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19963, 39926, 79852, 99815, 159704, 199630, 319408, 399260, 638816, 798520, 1277632, 1597040, 2555264, 3194080, 6388160, 12776320]

約数ペア:

[(1, 12776320), (2, 6388160), (4, 3194080), (5, 2555264), (8, 1597040), (10, 1277632), (16, 798520), (20, 638816), (32, 399260), (40, 319408), (64, 199630), (80, 159704), (128, 99815), (160, 79852), (320, 39926), (640, 19963)]