8036420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 11438140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 419, 548, 685, 838, 959, 1370, 1676, 1918, 2095, 2740, 2933, 3836, 4190, 4795, 5866, 8380, 9590, 11732, 14665, 19180, 29330, 57403, 58660, 114806, 229612, 287015, 401821, 574030, 803642, 1148060, 1607284, 2009105, 4018210, 8036420]

約数ペア:

[(1, 8036420), (2, 4018210), (4, 2009105), (5, 1607284), (7, 1148060), (10, 803642), (14, 574030), (20, 401821), (28, 287015), (35, 229612), (70, 114806), (137, 58660), (140, 57403), (274, 29330), (419, 19180), (548, 14665), (685, 11732), (838, 9590), (959, 8380), (1370, 5866), (1676, 4795), (1918, 4190), (2095, 3836), (2740, 2933)]