28312240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32173}}^1$

素因数の和:32197

約数の個数: 40

約数和(自身を含む): 71812368

約数和(自身を除く): 43500128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32173, 64346, 128692, 160865, 257384, 321730, 353903, 514768, 643460, 707806, 1286920, 1415612, 1769515, 2573840, 2831224, 3539030, 5662448, 7078060, 14156120, 28312240]

約数ペア:

[(1, 28312240), (2, 14156120), (4, 7078060), (5, 5662448), (8, 3539030), (10, 2831224), (11, 2573840), (16, 1769515), (20, 1415612), (22, 1286920), (40, 707806), (44, 643460), (55, 514768), (80, 353903), (88, 321730), (110, 257384), (176, 160865), (220, 128692), (440, 64346), (880, 32173)]