1772720

素因数分解:

$2^4\times 5^1\times {\mathrm{22159}}^1$

素因数の和:22172

約数の個数: 20

約数和(自身を含む): 4121760

約数和(自身を除く): 2349040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22159, 44318, 88636, 110795, 177272, 221590, 354544, 443180, 886360, 1772720]

約数ペア:

[(1, 1772720), (2, 886360), (4, 443180), (5, 354544), (8, 221590), (10, 177272), (16, 110795), (20, 88636), (40, 44318), (80, 22159)]