27649880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4973}}^1$

素因数の和:5123

約数の個数: 32

約数和(自身を含む): 62672400

約数和(自身を除く): 35022520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4973, 5560, 9946, 19892, 24865, 39784, 49730, 99460, 198920, 691247, 1382494, 2764988, 3456235, 5529976, 6912470, 13824940, 27649880]

約数ペア:

[(1, 27649880), (2, 13824940), (4, 6912470), (5, 5529976), (8, 3456235), (10, 2764988), (20, 1382494), (40, 691247), (139, 198920), (278, 99460), (556, 49730), (695, 39784), (1112, 24865), (1390, 19892), (2780, 9946), (4973, 5560)]