27891880

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1553}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 62937000

約数和(自身を除く): 35045120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1553, 1796, 2245, 3106, 3592, 4490, 6212, 7765, 8980, 12424, 15530, 17960, 31060, 62120, 697297, 1394594, 2789188, 3486485, 5578376, 6972970, 13945940, 27891880]

約数ペア:

[(1, 27891880), (2, 13945940), (4, 6972970), (5, 5578376), (8, 3486485), (10, 2789188), (20, 1394594), (40, 697297), (449, 62120), (898, 31060), (1553, 17960), (1796, 15530), (2245, 12424), (3106, 8980), (3592, 7765), (4490, 6212)]