27280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:55

約数の個数: 40

約数和(自身を含む): 71424

約数和(自身を除く): 44144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280]

約数ペア:

[(1, 27280), (2, 13640), (4, 6820), (5, 5456), (8, 3410), (10, 2728), (11, 2480), (16, 1705), (20, 1364), (22, 1240), (31, 880), (40, 682), (44, 620), (55, 496), (62, 440), (80, 341), (88, 310), (110, 248), (124, 220), (155, 176)]