55783760

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1553}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 130069800

約数和(自身を除く): 74286040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1553, 1796, 2245, 3106, 3592, 4490, 6212, 7184, 7765, 8980, 12424, 15530, 17960, 24848, 31060, 35920, 62120, 124240, 697297, 1394594, 2789188, 3486485, 5578376, 6972970, 11156752, 13945940, 27891880, 55783760]

約数ペア:

[(1, 55783760), (2, 27891880), (4, 13945940), (5, 11156752), (8, 6972970), (10, 5578376), (16, 3486485), (20, 2789188), (40, 1394594), (80, 697297), (449, 124240), (898, 62120), (1553, 35920), (1796, 31060), (2245, 24848), (3106, 17960), (3592, 15530), (4490, 12424), (6212, 8980), (7184, 7765)]