22127120

素因数分解:

$2^4\times 5^1\times {\mathrm{276589}}^1$

素因数の和:276602

約数の個数: 20

約数和(自身を含む): 51445740

約数和(自身を除く): 29318620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276589, 553178, 1106356, 1382945, 2212712, 2765890, 4425424, 5531780, 11063560, 22127120]

約数ペア:

[(1, 22127120), (2, 11063560), (4, 5531780), (5, 4425424), (8, 2765890), (10, 2212712), (16, 1382945), (20, 1106356), (40, 553178), (80, 276589)]