27911560

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1619}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 62985600

約数和(自身を除く): 35074040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1619, 1724, 2155, 3238, 3448, 4310, 6476, 8095, 8620, 12952, 16190, 17240, 32380, 64760, 697789, 1395578, 2791156, 3488945, 5582312, 6977890, 13955780, 27911560]

約数ペア:

[(1, 27911560), (2, 13955780), (4, 6977890), (5, 5582312), (8, 3488945), (10, 2791156), (20, 1395578), (40, 697789), (431, 64760), (862, 32380), (1619, 17240), (1724, 16190), (2155, 12952), (3238, 8620), (3448, 8095), (4310, 6476)]