28960580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131639}}^1$

素因数の和:131659

約数の個数: 24

約数和(自身を含む): 66346560

約数和(自身を除く): 37385980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131639, 263278, 526556, 658195, 1316390, 1448029, 2632780, 2896058, 5792116, 7240145, 14480290, 28960580]

約数ペア:

[(1, 28960580), (2, 14480290), (4, 7240145), (5, 5792116), (10, 2896058), (11, 2632780), (20, 1448029), (22, 1316390), (44, 658195), (55, 526556), (110, 263278), (220, 131639)]