80352520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105727}}^1$

素因数の和:105757

約数の個数: 32

約数和(自身を含む): 190310400

約数和(自身を除く): 109957880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105727, 211454, 422908, 528635, 845816, 1057270, 2008813, 2114540, 4017626, 4229080, 8035252, 10044065, 16070504, 20088130, 40176260, 80352520]

約数ペア:

[(1, 80352520), (2, 40176260), (4, 20088130), (5, 16070504), (8, 10044065), (10, 8035252), (19, 4229080), (20, 4017626), (38, 2114540), (40, 2008813), (76, 1057270), (95, 845816), (152, 528635), (190, 422908), (380, 211454), (760, 105727)]