2687788480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646103}}^1$

素因数の和:646133

約数の個数: 56

約数和(自身を含む): 6892637472

約数和(自身を除く): 4204848992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 646103, 1292206, 2584412, 3230515, 5168824, 6461030, 8399339, 10337648, 12922060, 16798678, 20675296, 25844120, 33597356, 41350592, 41996695, 51688240, 67194712, 83993390, 103376480, 134389424, 167986780, 206752960, 268778848, 335973560, 537557696, 671947120, 1343894240, 2687788480]

約数ペア:

[(1, 2687788480), (2, 1343894240), (4, 671947120), (5, 537557696), (8, 335973560), (10, 268778848), (13, 206752960), (16, 167986780), (20, 134389424), (26, 103376480), (32, 83993390), (40, 67194712), (52, 51688240), (64, 41996695), (65, 41350592), (80, 33597356), (104, 25844120), (130, 20675296), (160, 16798678), (208, 12922060), (260, 10337648), (320, 8399339), (416, 6461030), (520, 5168824), (832, 3230515), (1040, 2584412), (2080, 1292206), (4160, 646103)]