1339280

素因数分解:

$2^4\times 5^1\times {\mathrm{16741}}^1$

素因数の和:16754

約数の個数: 20

約数和(自身を含む): 3114012

約数和(自身を除く): 1774732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16741, 33482, 66964, 83705, 133928, 167410, 267856, 334820, 669640, 1339280]

約数ペア:

[(1, 1339280), (2, 669640), (4, 334820), (5, 267856), (8, 167410), (10, 133928), (16, 83705), (20, 66964), (40, 33482), (80, 16741)]