4258960

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 9999360

約数和(自身を除く): 5740400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 383, 556, 695, 766, 1112, 1390, 1532, 1915, 2224, 2780, 3064, 3830, 5560, 6128, 7660, 11120, 15320, 30640, 53237, 106474, 212948, 266185, 425896, 532370, 851792, 1064740, 2129480, 4258960]

約数ペア:

[(1, 4258960), (2, 2129480), (4, 1064740), (5, 851792), (8, 532370), (10, 425896), (16, 266185), (20, 212948), (40, 106474), (80, 53237), (139, 30640), (278, 15320), (383, 11120), (556, 7660), (695, 6128), (766, 5560), (1112, 3830), (1390, 3064), (1532, 2780), (1915, 2224)]