26553380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 64073856

約数和(自身を除く): 37520476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 787, 964, 1205, 1574, 1687, 2410, 3148, 3374, 3935, 4820, 5509, 6748, 7870, 8435, 11018, 15740, 16870, 22036, 27545, 33740, 55090, 110180, 189667, 379334, 758668, 948335, 1327669, 1896670, 2655338, 3793340, 5310676, 6638345, 13276690, 26553380]

約数ペア:

[(1, 26553380), (2, 13276690), (4, 6638345), (5, 5310676), (7, 3793340), (10, 2655338), (14, 1896670), (20, 1327669), (28, 948335), (35, 758668), (70, 379334), (140, 189667), (241, 110180), (482, 55090), (787, 33740), (964, 27545), (1205, 22036), (1574, 16870), (1687, 15740), (2410, 11018), (3148, 8435), (3374, 7870), (3935, 6748), (4820, 5509)]