2129480

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 4838400

約数和(自身を除く): 2708920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 383, 556, 695, 766, 1112, 1390, 1532, 1915, 2780, 3064, 3830, 5560, 7660, 15320, 53237, 106474, 212948, 266185, 425896, 532370, 1064740, 2129480]

約数ペア:

[(1, 2129480), (2, 1064740), (4, 532370), (5, 425896), (8, 266185), (10, 212948), (20, 106474), (40, 53237), (139, 15320), (278, 7660), (383, 5560), (556, 3830), (695, 3064), (766, 2780), (1112, 1915), (1390, 1532)]