12719080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 31596480

約数和(自身を除く): 18877400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 211, 220, 274, 422, 440, 548, 685, 844, 1055, 1096, 1370, 1507, 1688, 2110, 2321, 2740, 3014, 4220, 4642, 5480, 6028, 7535, 8440, 9284, 11605, 12056, 15070, 18568, 23210, 28907, 30140, 46420, 57814, 60280, 92840, 115628, 144535, 231256, 289070, 317977, 578140, 635954, 1156280, 1271908, 1589885, 2543816, 3179770, 6359540, 12719080]

約数ペア:

[(1, 12719080), (2, 6359540), (4, 3179770), (5, 2543816), (8, 1589885), (10, 1271908), (11, 1156280), (20, 635954), (22, 578140), (40, 317977), (44, 289070), (55, 231256), (88, 144535), (110, 115628), (137, 92840), (211, 60280), (220, 57814), (274, 46420), (422, 30140), (440, 28907), (548, 23210), (685, 18568), (844, 15070), (1055, 12056), (1096, 11605), (1370, 9284), (1507, 8440), (1688, 7535), (2110, 6028), (2321, 5480), (2740, 4642), (3014, 4220)]