8266580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 20030976

約数和(自身を除く): 11764396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 431, 548, 685, 862, 959, 1370, 1724, 1918, 2155, 2740, 3017, 3836, 4310, 4795, 6034, 8620, 9590, 12068, 15085, 19180, 30170, 59047, 60340, 118094, 236188, 295235, 413329, 590470, 826658, 1180940, 1653316, 2066645, 4133290, 8266580]

約数ペア:

[(1, 8266580), (2, 4133290), (4, 2066645), (5, 1653316), (7, 1180940), (10, 826658), (14, 590470), (20, 413329), (28, 295235), (35, 236188), (70, 118094), (137, 60340), (140, 59047), (274, 30170), (431, 19180), (548, 15085), (685, 12068), (862, 9590), (959, 8620), (1370, 6034), (1724, 4795), (1918, 4310), (2155, 3836), (2740, 3017)]