28549840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32443}}^1$

素因数の和:32467

約数の個数: 40

約数和(自身を含む): 72415008

約数和(自身を除く): 43865168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32443, 64886, 129772, 162215, 259544, 324430, 356873, 519088, 648860, 713746, 1297720, 1427492, 1784365, 2595440, 2854984, 3568730, 5709968, 7137460, 14274920, 28549840]

約数ペア:

[(1, 28549840), (2, 14274920), (4, 7137460), (5, 5709968), (8, 3568730), (10, 2854984), (11, 2595440), (16, 1784365), (20, 1427492), (22, 1297720), (40, 713746), (44, 648860), (55, 519088), (80, 356873), (88, 324430), (110, 259544), (176, 162215), (220, 129772), (440, 64886), (880, 32443)]