40894240

素因数分解:

$2^5\times 5^1\times {\mathrm{255589}}^1$

素因数の和:255604

約数の個数: 24

約数和(自身を含む): 96613020

約数和(自身を除く): 55718780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 255589, 511178, 1022356, 1277945, 2044712, 2555890, 4089424, 5111780, 8178848, 10223560, 20447120, 40894240]

約数ペア:

[(1, 40894240), (2, 20447120), (4, 10223560), (5, 8178848), (8, 5111780), (10, 4089424), (16, 2555890), (20, 2044712), (32, 1277945), (40, 1022356), (80, 511178), (160, 255589)]