79972520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105227}}^1$

素因数の和:105257

約数の個数: 32

約数和(自身を含む): 189410400

約数和(自身を除く): 109437880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105227, 210454, 420908, 526135, 841816, 1052270, 1999313, 2104540, 3998626, 4209080, 7997252, 9996565, 15994504, 19993130, 39986260, 79972520]

約数ペア:

[(1, 79972520), (2, 39986260), (4, 19993130), (5, 15994504), (8, 9996565), (10, 7997252), (19, 4209080), (20, 3998626), (38, 2104540), (40, 1999313), (76, 1052270), (95, 841816), (152, 526135), (190, 420908), (380, 210454), (760, 105227)]