28444240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32323}}^1$

素因数の和:32347

約数の個数: 40

約数和(自身を含む): 72147168

約数和(自身を除く): 43702928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32323, 64646, 129292, 161615, 258584, 323230, 355553, 517168, 646460, 711106, 1292920, 1422212, 1777765, 2585840, 2844424, 3555530, 5688848, 7111060, 14222120, 28444240]

約数ペア:

[(1, 28444240), (2, 14222120), (4, 7111060), (5, 5688848), (8, 3555530), (10, 2844424), (11, 2585840), (16, 1777765), (20, 1422212), (22, 1292920), (40, 711106), (44, 646460), (55, 517168), (80, 355553), (88, 323230), (110, 258584), (176, 161615), (220, 129292), (440, 64646), (880, 32323)]