27851120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31649}}^1$

素因数の和:31673

約数の個数: 40

約数和(自身を含む): 70642800

約数和(自身を除く): 42791680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31649, 63298, 126596, 158245, 253192, 316490, 348139, 506384, 632980, 696278, 1265960, 1392556, 1740695, 2531920, 2785112, 3481390, 5570224, 6962780, 13925560, 27851120]

約数ペア:

[(1, 27851120), (2, 13925560), (4, 6962780), (5, 5570224), (8, 3481390), (10, 2785112), (11, 2531920), (16, 1740695), (20, 1392556), (22, 1265960), (40, 696278), (44, 632980), (55, 506384), (80, 348139), (88, 316490), (110, 253192), (176, 158245), (220, 126596), (440, 63298), (880, 31649)]