160384780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{73571}}^1$

素因数の和:73689

約数の個数: 24

約数和(自身を含む): 339902640

約数和(自身を除く): 179517860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 73571, 147142, 294284, 367855, 735710, 1471420, 8019239, 16038478, 32076956, 40096195, 80192390, 160384780]

約数ペア:

[(1, 160384780), (2, 80192390), (4, 40096195), (5, 32076956), (10, 16038478), (20, 8019239), (109, 1471420), (218, 735710), (436, 367855), (545, 294284), (1090, 147142), (2180, 73571)]