27403880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97871}}^1$

素因数の和:97889

約数の個数: 32

約数和(自身を含む): 70467840

約数和(自身を除く): 43063960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 97871, 195742, 391484, 489355, 685097, 782968, 978710, 1370194, 1957420, 2740388, 3425485, 3914840, 5480776, 6850970, 13701940, 27403880]

約数ペア:

[(1, 27403880), (2, 13701940), (4, 6850970), (5, 5480776), (7, 3914840), (8, 3425485), (10, 2740388), (14, 1957420), (20, 1370194), (28, 978710), (35, 782968), (40, 685097), (56, 489355), (70, 391484), (140, 195742), (280, 97871)]