28048240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31873}}^1$

素因数の和:31897

約数の個数: 40

約数和(自身を含む): 71142768

約数和(自身を除く): 43094528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31873, 63746, 127492, 159365, 254984, 318730, 350603, 509968, 637460, 701206, 1274920, 1402412, 1753015, 2549840, 2804824, 3506030, 5609648, 7012060, 14024120, 28048240]

約数ペア:

[(1, 28048240), (2, 14024120), (4, 7012060), (5, 5609648), (8, 3506030), (10, 2804824), (11, 2549840), (16, 1753015), (20, 1402412), (22, 1274920), (40, 701206), (44, 637460), (55, 509968), (80, 350603), (88, 318730), (110, 254984), (176, 159365), (220, 127492), (440, 63746), (880, 31873)]